So if you had some number back in grade school like 123, well, why do we express this as 123?

在小学，像123这样的数，为什么我们要表达成123这样的呢？

哈佛公开课 - 计算机科学课程节选

As a closing remark, you can express your excitement at finally being able to see your loved one after such a long absence.

作为结束的话，你可以表达一下这么久以来即将见到心爱的人的激动心情。

I can't 课堂 - SpeakingMax英语口语达人

He had a famous phrase to express this idea, "The quantity of pleasure being equal, pushpin is as good as poetry."

他有一句名言表达此观点，只要快乐的总量相等，针戏与诗一样好“

耶鲁公开课 - 公正课程节选

As I mentioned, you can also use "I wish" when you express something that you do not want to have happen.

就像我之前提到的，当你想说明你不希望发生的事情时，你也可以用“I wish”。

I wish 课堂 - SpeakingMax英语口语达人

We want not only for the cell to be able to synthesize the DNA, you want it to be able to express the protein off the DNA as well.

我们不仅希望细胞能复制DNA,还希望它能表达目标DNA所编码的蛋白

耶鲁公开课 - 生物医学工程探索课程节选

You can also use the "I didn't" pattern to express that the result was not the same as your intentions.

你也可以用“I didn't”句型来表达事情的结果并不是你的本意。

I didn't 课堂 - SpeakingMax英语口语达人

You could use the "I want to" pattern to express something much less practical as well.

你也可以用“I want to”句型来表达不太现实的事情。

I want to 课堂 - SpeakingMax英语口语达人