Problem resolution is the first order of business, because in reality, contracts are nearly useless when it comes to the day-to-day operation of a multiplayer online game.

解决问题永远是首位的，因为在实践中，对于多玩家在线游戏的日常运营而言，合同用处不大。

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That is, a call to obj.method() in a traditional OOP language will look through the method resolution order (MRO) of an object to find the "first" ancestor class of obj that has a method .method().

也就是说，在传统 OOP 语言中的 obj.method() 调用会通过对象的方法解析次序（method resolution order，MRO） 寻找 “第一个” 具有 .method() 方法的 obj 祖先类。

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