I just want to remind you, if I wanted to, for example, type in an expression like that, notice the syntactical form, it's an expression, a number, followed by an operand, followed by another expression.

我想要提醒下大家，如果你想要，例如，输入一个这样的表达式，注意语法形式，这是个表达式，一个数字，后面是一个运算对象，后面是另外一个表达式。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's a very important point, if you see the very simple math that I'm showing up here.

这一点要特别注意，看看这个简单的数学表达式。

耶鲁公开课 - 金融市场课程节选

And many people have noted that it's the spirituals, the slave spirituals, that express perhaps the most authentic forms of Christian faith that this country has produced.

很多人都注意到，圣歌，黑人圣歌，或许是美国历史上表达基督信仰的,最真诚的形式。

普林斯顿公开课 - 人性课程节选

Notice that final colloquial phrase, "to go."

注意最后口语化的表达，“去吧“

耶鲁公开课 - 现代诗歌课程节选