当获取好的利润或涉及他们自己的业务的时候又会相当聪明和勤奋。
Pretty smart and hardworking when it comes to getting good profit or their own business.
仍然会有很多傲慢自大的银行家，无论什么时候只要他们开口讲话，就会损坏他们自己的业务。
Too many bankers are still appallingly arrogant, and damage their own cases whenever they open their mouths.
AbstarctOrderEJB的子类仅仅需要去实现这3个方法，他们不需要考虑他们自己的业务逻辑。
Subclasses of AbstractOrderEJB merely need to implement these three methods. They don't need to concern themselves with business logic.
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