总是确保你的用户能够采取下一步而不是“返回上一级”(当然了，返回选项应该始终存在)。

Always make sure your user can take another step forward without having to go "back" (although the option to go backwards should always exist).

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在下面的示例中，返回了Bauer经理(雇员编号为202)的所有下属(不只是下一级的下属)。

In the following example, all subordinates (not only on the next level) for manager Bauer (employee number 202) are returned.

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