Which suggests that Iran doesn’t have as much leverage as it did twenty years ago, given the country’s dire need of oil revenue.  Anything which would discourage foreign companies from entering Iran’s upstream sector should, theoretically, be assiduously avoided.  However, recent legal actions, including claims of espionage, imply that hard-line elements in the government remain willing to behave in ways that will discourage foreign participation in the Iranian economy, possibly with the explicit attempt to damage the economy and thereby the government.  Because the rule of law appears to be very weak in Iran, the risk that any company seeking to operate in the country will see its personnel and operations disrupted is very real.

ReadMore: http://www.forbes.com/sites/michaellynch/2016/09/02/iran-reopens-to-the-international-oil-business/#546bb3c52817

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Suggest:  verb [ T ] uk ​ /səˈdʒest/ us ​ /səˈdʒest/

to communicate or show an idea or feeling without stating it directly or giving proof:

“[ + (that) ] There’s no absolute proof, but all the evidence suggests (that) he’s guilty.”

“Are you suggesting (that) I look fat in these trousers?”

“Something about his manner suggested a lack of interest in what we were doing.”

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Leverage:  noun [ U ] uk ​ /ˈliː.vər.ɪdʒ/ us ​ /ˈlev.ɚ.ɪdʒ/

power to influence people and get the results you want:

“If the United Nations had more troops in the area, it would have greater leverage.”

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Given: preposition uk ​ /ˈɡɪv.ən/ us ​ /ˈɡɪv.ən/

knowing about or considering a particular thing:

“Given his age, he’s a remarkably fast runner.”

“Given (the fact) that he’s had six months to do this, he hasn’t made much progress.”

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Dire: adjective uk ​ /daɪər/ us ​ /daɪr/

very serious or extreme:

“These people are in dire need of help.”

“He gave a dire warning that an earthquake was imminent.”

“This decision will have dire consequences for local people.”

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Revenue: noun [ U ] uk ​ /ˈrev.ən.juː/ us ​ /ˈrev.ə.nuː/

the income that a government or company receives regularly:

“Taxes provide most of the government’s revenue.”

“Government revenues fell dramatically.”

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Discourage:  verb [ T ] uk ​ /dɪˈskʌr.ɪdʒ/ us ​ /dɪˈskɝː.ɪdʒ/

to make someone feel less confident, enthusiastic, and positive about something, or less willing to do something:

“The thought of how much work she had to do discouraged her.”

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Upstream sector:

صنایع بالادستی در صنعت نفت عبارتی است که عمدتاً بخش جستجو، اکتشاف، حفاری و تولید نفت خام و گاز طبیعی اشاره دارد. صنایع بالادستی گاهی به نام اکتشاف و تولید هم شناخته می‌شود

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Assiduous  adjective uk ​ /əˈsɪdʒ.u.əs/ us ​ /əˈsɪdʒ.u.əs/ formal

​showing hard work, care, and attention to detail:

“assiduous research/efforts”

“an assiduous student”

“The government has been assiduous in the fight against inflation.”

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Espionage   noun [ U ] uk ​ /ˈes.pi.ə.nɑːʒ/ us ​ /ˈes.pi.ə.nɑːʒ/

the discovering of secrets, especially political or military information of another country or the industrial information of a business:

“military/industrial espionage”

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Imply  verb [ T ] uk ​ /ɪmˈplaɪ/ us ​ /ɪmˈplaɪ/

​ to communicate an idea or feeling without saying it directly:

“[ + (that) ] Are you implying (that) I’m fat?”

I’m not implying anything about your cooking, but could we eat out tonight?”

“The presence of stairs in the ruins implies an upper floor.”

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Hard-line adjective uk ​ /ˌhɑːdˈlaɪn/ us ​ /ˌhɑːrdˈlaɪn/

​extreme and severe and not likely to change:

“a hard-line manifesto”

“a hard-line politician”

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Explicit  adjective uk ​ /ɪkˈsplɪs.ɪt/ us ​ /ɪkˈsplɪs.ɪt/

clear and exact:

“I gave her very explicit directions how to get here.”

“She was very explicit about (= said very clearly and exactly) what she thought was wrong with the plans.”

“an explicit statement/warning/threat”

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Thereby   adverb uk ​ /ˌðeəˈbaɪ/ us ​ /ˌðerˈbaɪ/ formal

as a result of this action:

“Diets that are high in saturated fat clog up our arteries, thereby reducing the blood flow to our hearts and brains.

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Rule of law   noun uk ​ /ˌruːl əv ˈlɔː/ us ​ /ˌruːl əv ˈlɑː/ formal

​a set of laws that people in a society must obey:

“Everyone is subject to the rule of law.”

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Disrupt  verb [ T ] uk ​ /dɪsˈrʌpt/ us ​ /dɪsˈrʌpt/

to prevent something, especially a system, process, or event, from continuing as usual or as expected:

“Heavy snow disrupted travel into the city this morning.”

“The meeting was disrupted by a group of protesters who shouted and threw fruit at the speaker.”

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