Dr.Brook says just one to two hours of breathing automobile exhaust in traffic can be deadly.

VOA: standard.2010.08.04

They're concerned with having too many accidents, which might exhaust their reserves.

保险公司都会担心太多事故同时发生,这样的话保险公司可能就会赔个精光

耶鲁公开课 - 金融市场课程节选

The two possibilities exhaust the possibilities.

只有这两种可能。

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He also led a study that showed that airborne particles produced by automobile exhaust, industry and coal or oil fired power plants can cause blood pressure to rise to dangerous levels.

VOA: standard.2010.08.04