This is very easy molecule because we know exactly where to put them without even having to think, we only have one option, and we'll make a triple bond between the carbon and the nitrogen.

这个分子非常简单,因为我们知道应该把它们放在哪里,甚至不用去想，我们只有一个选择，我们将在碳与氮之间形成一个三键。

麻省理工公开课 - 化学原理课程节选

At this point, we have no other choice but to double up before going to the next energy level, 2px so we'll put a second one in the 2 p x.

在这点上我们没有其他选择,而只有双倍填充,在到下一个能级之前，所以我们放入第二个电子至。

麻省理工公开课 - 化学原理课程节选

A handful of people would, the vast majority would turn.

只有少数人选择往前开，绝大多数都选择转弯。

耶鲁公开课 - 公正课程节选

The only way that somebody can overweight Ford Motor Company in the market is to have somebody have a counter position where they underweight Ford Motor Company; only one of those is going to be right.

要增持福特公司股票,唯一途径就是找一个,想要减持福特股票的人,两方中只有一方能做出正确的证券选择

耶鲁公开课 - 金融市场课程节选

And the next highest percentage of you thought that we still only had two.

第二多的选择,认为只有两个。

麻省理工公开课 - 化学原理课程节选