It is not necessary that the function definition is textually enclosed in the class definition: assigning a function object to a local variable in the class is also ok.
不是必须要将函数定义代码写进类定义中，也可以将一个函数对象赋给类中的一个变量。
Also, some guests are not always so nice and can sometimes break a toy. Those fragile things it is also ok to put away during the visit.
因为并不是所有的客人都很有礼貌，他们可能会把玩具弄坏，所以如果有小孩来玩，一些容易损坏的东西你也可以先收起来。
Also, some guests are not always so nice and can sometimes break a toy. Those fragile things it is also ok to put away during the visit.
因为并不是所有的客人都很有礼貌，他们可能会把玩具弄坏，所以如果有小孩来玩，一些容易损坏的东西你也可以先收起来。
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