Word processor styles are like declarations of a variable in source code: They allow you to save effort by doing work once instead of repeating it each time that you need it.

文字处理器的风格就像是源代码中变量的说明，他们允许你把一次工作的努力保存下来而不需要每次需要的时候都重新做一遍。

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Most of the time, we're going to be doing expressions inside of some piece of code, inside of a script, which is the Python word for program.

大多数情况下，我们会在一些代码内部，写一些表达式，在一个脚本里面，也就是Python里面对程序的另一种叫法。

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As the Scilab code is put into the exec function, the exit command is concatenated to the end of it so you don't have to rely on the user to input the word exit each time.

由于Scilab代码被放入exec函数，exit命令遂被串接到其尾端，这样一来，就无需依赖用户每次输入exit。

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