Yes. Every year my family would always go on... about a two-week vacation

是的，我和家人每年都要去度假两周左右。

在美国旅游的经验 - SpeakingMax英语口语达人

So, at the end of the class on Friday, we saw that list of eight steps that you always need to go through when you draw a Lewis structure.

在上周五的课的最后，我们看到了一张,包括八个步骤的流程表。

麻省理工公开课 - 化学原理课程节选

And that can potentially, not always, but potentially can go on and on and on.

那有可能，并非总是，但可能一直持续下去。

哈佛公开课 - 幸福课课程节选

But it's variable because it doesn't always go off on the thousandth time.

但中奖比率是变化的,因为你并不总在拉杆一千次的时候中大奖。

耶鲁公开课 - 心理学导论课程节选