You can take these big risks of time, and if at the end of the day there's nothing to detect, you still know how to build a detector.

如果最后你什么都没测到，你至少知道了,怎么造一个探测器,所以如果你们。

麻省理工公开课 - 化学原理课程节选

There can be a supply of them, a storehouse of them that can build up in the body, and so day-to-day fluctuations become less of a problem with fat soluble then water soluble vitamins, because the body can go grab them from a storage depot, if you will.

从而在体内建立起一个供应源,一个脂溶性维生素仓库,这样一来,相比起水溶性维生素,脂溶性维生素的浓度不会每天剧烈波动,因为机体可以任意取用体内的储存

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选