"I know some question whether we can afford to act this year. But the unmistakable truth is that it would be irresponsible to not act.

VOA: standard.2009.06.13

You can be relieved of that debt, or now you know you feel bad now, I guess.

你可以释怀了,我想你也许还会有些许歉疚

耶鲁公开课 - 心理学导论课程节选

One figure? I don't know. I can't say. That's hard. Charles Darwin will be up there.

只选一个吗？不好说，这太难选了。查尔斯·达尔文肯定在其中。

查尔斯达尔文的地位 - SpeakingMax英语口语达人

Like I know that in the south, they can be kind of,

像我知道，在南方，人们可以，

加州的天气 - SpeakingMax英语口语达人

So, what we have found out so far, I'm purposely going from x to y because I want you to know that the unknown variable can be called an x or can be called a y.

到目前为止,我们有这些结论,我特地把x换成y,因为我想让你们明白,未知变量既可以写成x,也可以写成y

耶鲁公开课 - 基础物理课程节选