So this is it的意思|示意

Pupils mark their own homework: this is an important principle in Japanese schooling as it enables pupils to see where and why they made a mistake, so that these can be avoided in future.

学生们自己给作业打分：这是日本学校教育中一个很重要的原则，因为它可以学生们看到他们在哪里犯错以及为什么犯错，这样以后就可以避免这些错误。

This is so extraordinary, it rates a medal and a phone call from the president.

这太了不起了，应该颁发一枚奖章并接受总统的电话祝贺。

This became so popular that a playwright almost had to include it in every play, which is why it's called: the obligatory scene.

这种表演方式非常受欢迎，以至于几乎每一部戏剧的编剧都会采用它，这就是它被称为必演场景的缘由。

It is Coulthard who is calling the tune so far this season.

本赛季到目前为止一直是库特尔哈德发号施令。

We would say that this whole area over which it migrates is its habitat because on this long-distance journey, it needs to come down to feed and sleep every so often, right?

我们会认为它迁徙的整个区域就是它的栖息地，因为在长途旅行中，它需要经常下来进食和睡觉，对吧？

It was surprising to her that hedonic well-being, which is associated with positive emotions and pleasure, did so badly in this study compared with eudaimonic well-being.

令她惊讶的是，与积极情绪和愉悦感相关的享乐幸福感在本研究中的表现远不及现实幸福感。