Everyone knows from calculus that if you're trying to find a function about which you know only the derivative, you can always add a constant to one person's answer without changing anything.

学过微积分的人都知道,如果你想根据已知的导数,求出其原函数,你总是可以给某人的答案,随便加一个常数,且不影响结果

耶鲁公开课 - 基础物理课程节选

If you want to live a life where you spend lots of money on fancy things, you can do that.

如果你想过花大笔钱买奢侈品的生活，你也可以那样做。

街上的售票员 - SpeakingMax英语口语达人

Or, if you want, you could say maybe they died, but since they obviously didn't die permanently-- after all they were brought back to life-- how could they possibly tell us what it's like to be permanently dead?

或者,如果你想的话,你可以说或许他们死过,但既然他们没有永久地死去,毕竟他们被救活了,那么他们怎么可能告诉我们,永久死亡是什么样子的呢

耶鲁公开课 - 死亡课程节选

If you would like to express such desire which I assume most of you have to somebody else,

我想大多数人都跟别人表达过这种愿望，如果你想表达的话，

I want to 课堂 - SpeakingMax英语口语达人

if you’re curious what a friend from high school is up to.

如果你想知道你的高中同学过得怎么样，

便利的社交媒体 - SpeakingMax英语口语达人