The new code is based upon an easily observable assumption about a class, namely that it defines the vast majority (usually all) of its methods before an instance of the class is created.

新的代码基于对类的一个很容易观察到的假设，换句话说，在创建类的实例前它会定义好绝大多数方法(通常是所有方法)。

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For instance, the hornet still gets the vast majority of its energy from food.

例如，食物仍是大黄蜂最主要的能量来源。

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For instance, the hornet still gets the vast majority of its energy from food.

例如，食物仍是大黄蜂最主要的能量来源。

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