为了找到答案，你就必须采取系统和公正的样本——也许是值得花一整个星期去探究的案例——然后去查每一项主张后的证据。

To find out, you'd have to take a systematic and unbiased sample – perhaps a whole week's worth of stories – and then check the evidence behind every claim.

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请注意，准确地说，这个图不是纯粹的UML，因为UML常常被用来模拟一个系统，而样本应用程序实际上由三个系统组成。

Note that this figure may not exactly be pure UML, as UML is usually used to model a single system, whereas the sample application is really composed of three systems.

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下列样本程序打印出当前在系统中使用的所有令牌和槽。

The following sample program prints out all of the current tokens and slots in use in the system.

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