For example, if you're talking about the chalk--if I throw the chalk, you will have to know where it is and how fast it's moving.

比如说,这支粉笔,如果我扔出这支粉笔,你就像知道它的位置和速度

耶鲁公开课 - 基础物理课程节选

Reopen no old wounds. Be as if you had never returned and looked in to me to see my laboring humilities, my few scrubbed pennies, hungry to grab, quick to deprive, sullen, unloved, mean-minded son of my flesh. Son! Son!"

不要再来碰我的伤疤，像你从前没有回来看过我似的,来看我的辛苦和谦卑，看我被掏得一干二净的钱袋，饿了抢，急了打，我亲生的没有感情，冷酷自私的儿子！“

耶鲁公开课 - 1945年后的美国小说课程节选

You can also get away, as I said last time, with just putting parentheses in JavaScript and PHP, this is, in fact, the norm.

就像我上次说的，你也可以不用参数，在JavaScript和PHP中只用圆括号，这实际上是一个规范。

哈佛公开课 - 计算机科学课程节选

Yeah, if you immediately said, "Well, if the vector is , then the vector looks like this.", you're making the assumption that I am writing the vector in terms of i and j.

对,如果你紧接着就说," 如果一个矢量是,那么它就像这样 ",你其实就是假设了,我是按 i 和 j 分量的形式写的这个矢量

耶鲁公开课 - 基础物理课程节选