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7. Increase positions when winning money and decrease codes when losing money. If you don't want to die fast but want to earn fast, this is the only way.此前于汪直而言，澎湖无非是个补给点，是个踏板镜头拉近，只见神州大地上争斗不止，打斗不休，血火蔓延。这可跟咱们家的雪不一样。The following is a specific diagram and how to kill.久没谋面的“圣诞老人” 蒂姆·艾伦３月份再度出山之作《长毛狗》，上映当周便一举登上北美票房榜的头名，仍嫌不过瘾，8月再献上一部《超人集中营》。Although there are subclasses in java that implement the interfaces of the parent class, But I think javascript can be different from java, It is possible that the parent class in java is an empty class, Subclasses to implement the interface of the parent class, in javascript, I think the common code is completely written in the parent function. If the business logic needs to be changed in the future, or new business logic is added, we can completely use subclasses to rewrite the parent class, so the code has strong scalability and is easier to maintain. Since I am not a professional java, please understand if there is any mistake in describing the knowledge points in java ~ ~