Let's compare case 2 and 3, since this where some people seem to have gotten confused.

让我们来比较一下第二和第三种情况，因为不少人好像在这里有些困惑。

麻省理工公开课 - 化学原理课程节选

Now, about roughly two-thirds of those two million slaves moved from the Eastern seaboard or the Upper South to Alabama, Louisiana, Mississippi, Texas, Arkansas, et cetera.

在这两百万奴隶中,大约有三分之二的人,是从东海岸或者上南地区,被卖到亚拉巴马,路易斯安那,密西西比,德克萨斯和阿肯色等地区

耶鲁公开课 - 美国内战与重建课程节选

I've found some people really have to come to the first and second row because they claim that if they don't hear me they cannot really go to sleep.

我发现有些人必须得在第一,二排睡觉,因为他们说如果听不到我的声音,他们就无法入睡

耶鲁公开课 - 基础物理课程节选

We played a game at the very end last time, where each of you chose a number - all of you chose a number - and we said the winner was going to be the person who gets closest to two-thirds of the average in the class.

我们在上节课最后做了一个游戏,你们每个人都选了一个数字,你们所有的人都选择了一个数字,选择的数字最接近全班,平均数的三分之二的人就是赢家

耶鲁公开课 - 博弈论课程节选