他决定追打汤姆，因为这一次，他是更强壮的那个。

He decides to go after Tom because this time, he's stronger.

youdao

这是因为这一次，第2行中的if语句现在为true，并且简单地返回了“ o ”。

This is because this time, the if statement on line 2 is now true, and "o" is simply returned. The recursion unwinds as follows.

youdao

那天早上，我又把头探进阁楼里，这一次我几乎尖叫出来…并不是因为我看见了什么，而是因为我什么都没有看见。

That morning, I once again stuck my head into the attic, and this time I almost screamed…Not from what I saw, but from what I did not see.

youdao

So they're optional, but they're very, very, very highly encouraged that you do these, because this is going to give you practice for the types of problems that are going to be on the exam.

虽然它们是选做的，但是它们非常非常，非常值得你们去做，因为这对你们来说是一次训练,是用来熟悉考试题型的。

麻省理工公开课 - 化学原理课程节选

And then other people are really excited because it's a once-in-a-lifetime opportunity

而另外一些人真的很兴奋，因为这是一个一生只有一次的机会，

正准备奥运会 - SpeakingMax英语口语达人

You have to be comfy on camera but this is your first chance to say hello to mom and dad on camera.

在镜头前表现得自然点儿,因为这是你第一次在电视上跟爸妈打招呼。

哈佛公开课 - 计算机科学课程节选