我们脑海中一开始就没有的东西肯定表达不出来。

We can never express anything that we do not first have in mind.

youdao

在其它条件相同的情况下，能有效表达自己的人肯定比语言表达能力差的人更容易获得成功。

Other things being equal, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor.

youdao

取而代之的是，微笑，并通过沉默或说“抱歉，但我不同意你的看法”来表达你的自我肯定和爱心。

Instead, smile and express your self-approval and love by saying nothing or saying, "I am sorry but I disagree with your opinion."

youdao

And this puzzle piece here colored in blue because it's a Boolean expression is just something that--whose answer is either a yes or no, 0 true or false, one or zero.

这个拼图染成蓝色,因为它是布尔表达式,它的结果只可能是肯定或否定，对或错，1或者。

哈佛公开课 - 计算机科学课程节选