Now that you know how to do simple operations with global variables, this section provides some interesting scenarios that show you how you can use them.

现在您已经了解了如何使用全局变量执行简单的操作，本节将提供一些有趣的场景以展示如何使用它们。

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Having provided a couple of simple examples, now look in detail at some of its specific features.

前面已经提供了几个简单的例子，现在详细介绍它的一些特定特性。

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You're now ready to create some simple tones.

现在您就可以开始创建一些简单的音调了。

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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

Now let's talk about some simple observations on isothermal gas expansions.

接下来我们讨论几条,关于绝热膨胀的性质。

麻省理工公开课 - 热力学与动力学课程节选

Given the bare-knuckled legal brawl that the election has become, we could sure use some simple truths right about now.

FORBES: Democrats' Ace In The Hole: David Boies

Now we are going to write some very simple instruments in Csound that our little MIDI circuit can control in real time.

ENGADGET: How-To Control Csound with a Custom Midi Controller: Hardware (2 of 2)

Simple in concept, complicated in execution - and now potentially delayed for some months.

BBC: Viewing guide: The week ahead at Parliament