As you can see, most of the work is in handling errors as it should be in such simple code.
如您所见，大部分工作是处理错误，因为在这样简单的代码中它也会出现。
If you can see the logic underlying those principles, however basic and simple they are, then you can see ways they can be put to work against each other.
如果你可以看到这些原则后面的逻辑关系，无论那是多么基础和简单，你就可以找到方法把它们组合在一起来运作。
As you can see, all of these simple tools can work to your advantage.
正如你所看到的，这些简单的工具能够使你获得优势。
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