You've got to place the boundary at exactly the right place, otherwise you've got a bit too much in your system or a bit too little.

你要把边界,设置在正确的位置上，否则你的系统就会要么多出一部分,要么少一部分。

麻省理工公开课 - 热力学与动力学课程节选

You could stay at my place until you get back on your feet again.

你可以一直待在我这里，直到你重新振作起来。

I'm sorry 实战 - SpeakingMax英语口语达人

When that was the case if you wanted fast food you had to at least spend the calories to get out of your car to walk into the place to buy the fast food.

那个时候,如果你想吃快餐,起码你得花力气打开车门,走进快餐店购买食物

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What they mean by that is, if you're a builder and you have this place where you show off your model homes, how many people are coming by to look at your model homes today as potential buyers?

意思就是,如果你是建造商,你有地方展示样板房,预计今天会有多少潜在顾客,来看样板房

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