Three, again, percentages, three times is great. But three times what?

倍多，但是3倍于多少呢？

普林斯顿公开课 - 国际座谈会课程节选

Cereal would be--a serving of cereal would be about the amount that would fit in a wine glass, but people think that you fill up a bowl and that becomes a serving, but a typical amount of cereal that people serve themselves might be two or three times what the ordinary size is.

这是一餐份量的麦片,放在酒杯里大概那么多,但人们认为满满一碗才是一份,人们通常所食用的麦片,是原来大小的二到三倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

s And what we find is we're going from about or exactly a 6 a nought here, to almost three times that when we're going from 2 s to 3 s.

从2s到,我们发现它，从6a0到大约增大了３倍。

麻省理工公开课 - 化学原理课程节选