在危机时期，每桶石油价格在20元至40元之间波动。

During the crisis, oil prices fluctuated between $20 and $40 a barrel.

《牛津词典》

在经济危机时期，美国人向家人寻求帮助。

In times of economic crisis, Americans turn to their families for support.

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然而，在金融危机时期，资金减少，几乎没有变化。

However, at a time of financial crisis, funding diminished and little changed.

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Again, there was a loss of confidence in the time of an economic crisis and people wanted to withdraw their money from the banks.

此外,在经济危机时期,投资者对银行失去信心,他们希望把钱从银行取出来

耶鲁公开课 - 金融市场课程节选

He also shows, however, that normal politics is, itself, dependent upon extraordinary politics, periods of crisis, anarchy, instability, revolution, where the normal rules of the game are suspended.

然而他也同时了解到常态政治，本身有赖于破例政治，诸如危机，失序，不稳定，革命等时期，当游戏的常态规范,遭搁置。

耶鲁公开课 - 政治哲学导论课程节选

The Mexican Crisis under President Salinas.

萨利纳斯总统时期的墨西哥危机

耶鲁公开课 - 金融市场课程节选