"Even though I'm blind I love to go see movies. Some theaters have these transmitters that you can check out at the front desk where you buy your tickets, and there is an audio track that provides description for the movies.

VOA: special.2010.03.01

If you go onto some of the other foods in here you see that the error became even greater in some of these cases.

如果你们看表上的其他一些食物,一些例子的估算误差会更大

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So if you're trying to make a more complicated organic molecule carbon-carbon bonds are one of the most difficult things to make in organic chemistry, and it turns out that c n minus is a very reactive molecule, so it's a good way, even though we'll go over some drawbacks in a second, it is a good way to make carbon-carbon bonds.

如果你要合成一个更复杂的有机分子,碳碳键是有机化学中,最难制造的键之一，而实际上氰离子是一种具有很高活性的分子，用它是一个好办法，尽管我们一会儿将看到它的一些缺点，但它的确是一个制造碳碳键的好方法。

麻省理工公开课 - 化学原理课程节选