标准化的代码执行COM端口。

Standardization of code implementing COM interfaces.

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我们可能想要对产品代码执行错误校验。

We might want to perform error checking for production code.

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这类代码执行对于数据库来说是个负累。

This type of code execution is punishing to a database.

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What happens now after we've executed this third line of code, what happens next in the story?

我执行完第三行代码会发生什么呢,在这之后会发生什么呢？

哈佛公开课 - 计算机科学课程节选

And they're awfully simple because, all I can do now, is decide whether to execute some piece of code or another.

它们之所以太简单的原因是：,现在我能做的，就是,决定执行一块代码或者执行另外一块。

麻省理工公开课 - 计算机科学及编程导论课程节选

It ultimately evaluates that line of code but just once the stuff inside the curly braces, but the semicolon on the end, essentially has the effect of this.

它最终执行了那行代码,但是只有一次，当那个东西在花括号里，分号放在后面，本质上影响了这个循环。

哈佛公开课 - 计算机科学课程节选