There are many uncertain risk factors in economic evaluation of oil and gas exploration, which are of the utmost importance to the process and decision of oil and gas exploration.

油气勘探经济评价包含着许多不确定性的风险因素，它们对油气勘探过程和决策至关重要。

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If we do not participate in derivatives market, companies will lost a powerful hedging tool and risk-adjusted returns and will be exposed to a number of uncertain risk in international competition.

假如不参与衍生金融工具市场，企业就损失了强大的避险工具和风险收益，会在国际竞争中将自身暴露在众多不确定的风险中。

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For the majority of these managers, MDD is a big unknown, with a lot of potential risk and uncertain benefits.

对于大多数管理人员来说，MDD是一个巨大的未知数，并且有许多潜在的风险和不确定的利益。

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When investors are uncertain (risk-averse), they have a preference for holding cash and the price of shares falls.

ECONOMIST: The impossible task of eliminating uncertainty

Thus, ConocoPhillips seems to be moving away from projects in regions with high political risk and uncertain regulatory environments.

FORBES: Move up http://i.forbesimg.com t Move down

Those include Europe's continuing financial uncertainty, China's uncertain economic growth and the risk that Washington's spending cuts could harm the U.S. economy.

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