When you walk through that door, it's an act of free will.

当你走进这个门的时候，这是自由意志的选择。

麻省理工公开课 - 固态化学导论课程节选

All right, turn them off. If they have to make noise as you turn them off, turn them off, but that's it. So, when you walk through that door, it's an act of free will.

好了，把它们关掉，如果一定要发出声音,当关机的时候，也要关机，就这样，当你走进那扇门，这是自由意志的选择。

麻省理工公开课 - 固态化学导论课程节选

What used to be a large french fry at McDonald's is now the small French fries and so a lot of people will order something, like they'll go to a restaurant and they'll say, well would you like small, medium or large?

现在小包的麦当劳薯条,过去曾是被叫做大包,所以当人们走进饭店,点餐的时候营业员问,你想要小包中包还是大包的薯条

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选