But remember that you do have recitation on Tuesday, so that could be very helpful with the problem-set, so be sure to go to recitation on Tuesday, and have a great long weekend.

记住，周二有习题课，这对做课后题很有帮助，所以周二一定要来上习题课，周末愉快！

麻省理工公开课 - 化学原理课程节选

Be sure to keep in touch.

一定要保持联系。

I'm sure 课堂 - SpeakingMax英语口语达人

You always want to check your signs at the and because it's so easy to get the sign wrong, and I was hoping that it was right here because I wasn't sure, but it turned out to be right.

我们完成计算时，一定要记得检查符号,因为很容易弄错符号，刚才我就不太确定,是否弄错了符号，检查发现没有问题。

麻省理工公开课 - 热力学与动力学课程节选

I'm not sure that it has to be direct exposure.

我不能说一定要让人们直接感受贫困。

普林斯顿公开课 - 人性课程节选

So if somebody in our new plant in Sao Paulo comes up with a great idea, which I'm sure they will, that idea can be transferred to Xiamen, China, or to Ireland, or to Malaysia, or to North Carolina very easily.

如果我们在圣保罗工厂的员工,想出了一个好主意，他们一定能想出，这主意会被传到中国厦门，或者爱尔兰，或马来西亚，或北卡罗来纳州，这很容易。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

And to make this more concrete, if a firm is competing against a competitor it can be pretty sure, that competitor is a pretty sophisticated game player and knows that the firm is itself.

再具体点说,如果一家公司在和它的竞争对手竞争,可以肯定其竞争对手一定很老练,这家公司当然也很老练啦

耶鲁公开课 - 博弈论课程节选

Such men have no other rule, but that of force and violence," listen to this, "So may be treated as beasts of prey those dangerous and noxious creatures that will be sure to destroy to you " if you fall into their power", so kill them first.

这种人除强力和暴力的法则之外，没有其他法则“,注意这里，“因此可以被当作猛兽，危险和有害的动物看待,要落在它们的爪牙之内,就一定会遭到毁灭，所以先下手为强。

耶鲁公开课 - 公正课程节选