Every now and then you read in the newspaper about somebody whose parachute failed to open and so they died.

不时地你会在报纸上看到,某人的降落伞没打开导致他们死了。

耶鲁公开课 - 死亡课程节选

The Federal Open Market Committee meets about every six weeks or so and they decide on monetary policy.

联邦公开市场委员会,没六周左右开会一次,并且制定货币政策。

耶鲁公开课 - 金融市场课程节选