One of the things I think was really useful for me developing just how I think about Israel.

我认为有件事对我非常有用,它使我形成了对以色列的看法。

普林斯顿公开课 - 人性课程节选

It will be useful and I think it also will show you that you are very smart.

这个句型非常有用，使用它也会让你显得很聪明。

It's like 课堂 - SpeakingMax英语口语达人

This chart, very boring and uninteresting but useful to say there are very well defined rules as to when you're writing code, what operators, like what syntax should get evaluated first.

这个图表，看起来很烦，很无趣，但是它很有用,有非常明确的规定,譬如，当你写代码时，就会涉及操作符的优先级。

哈佛公开课 - 计算机科学课程节选

And also, it's useful because harmful stimuli are noticed but when something has shown itself to be part of the environment you don't notice it anymore.

而且它还是非常有用的,因为危险刺激会吸引到你的注意,但当某物被视为环境的一部分时,你便不会再去注意到该物体。

耶鲁公开课 - 心理学导论课程节选

So this is really useful.

因此它是非常有用的。

麻省理工公开课 - 化学原理课程节选

You'll find "That's all" very useful to express what you have or to put a stop to something.

你会发现 “That's all” 是个非常有用的句型。你可以用它来给一件事画个句号。

That's all课堂 - SpeakingMax英语口语达人

I'd like is also very useful. You can use "I'd like" to ask for something.

'd like 也是非常有用的句型。你可以用它来表达你想要一些东西。

I'd like 课堂 - SpeakingMax英语口语达人