既然不是这样，我想我必须这样做。

Since that is not so, I suppose I must do it.

youdao

我必须这样做——尽管我不知道为什么。

I must—though I don't know why.

youdao

为了自己，我必须这样做。

I must do this for myself.

youdao

Now, in that Northern society and here we're using labels pretty loosely, but so be it the northern states; and well I'll leave the outline up for the moment. No I won't.

现在,在北方社会,现在我们标记做得很散,但必须这样,北方的州,我呆会会给你们一个大纲,但不是现在

耶鲁公开课 - 美国内战与重建课程节选

I must save some money so that I can go to university,

我必须存点钱，这样我才能上大学，

Must 实战 - SpeakingMax英语口语达人

And I've got to worry about, is somebody else using ANS, answer, as a variable, in which case I've got to be really careful. Is somebody else using x as a variable? I've got to deal with a lot of those details.

而且我还要担心有没有别人,使用了ANS，answer作为变量,这样我就必须要非常小心,有没有别人用x当做变量呢？,我需要处理很多类似的细节。

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