我们必须明确区分是与非。

We must draw a clear distinction between right and wrong.

youdao

我们必须明确什么值得保护，而什么不值得。

We must define what is worthy of preservation and what is not.

youdao

我们必须明确的一点是：我们的顾客还在欧洲，在美国乃至全世界。

We have to understand the customers of our customers are in Europe, in the United States and all over the world.

youdao

You have to grant us control explicitly.

你们必须允许我们明确地控制。

哈佛公开课 - 计算机科学课程节选

And we need not, we just make sure we can't do that So, go ahead, we've got you on number The 1980's and 1990's, this deal seemed to work.

这一点我们必须明确,那么。。。说吧，该给的数据我都说了,其实，八，九十年代那会儿，那个协议还是起过作用。

斯坦福公开课 - 经济学课程节选