Likewise, you almost always call a superclass method at either the start or end of a descendent method body.
同样，您几乎总是在子代方法主体的开始或结束部分调用超类方法。
When you call a fruitful function, you almost always want to do something with the result;
当你调用一个有返回值的函数的时候，一般总是要利用一下结果的；
The frames that you see on the call stack are almost always correct, however, assuming you have symbols for all frames.
但是，假定所有框架都有符号，则在调用堆栈上看到的框架几乎总是正确的。
Could you do me a favor I've been trying to call my Mom and Dad for almost an hour, but the line is always busy.
能麻烦您帮我一个忙吗？我给我爸妈打电话都打了一个小时了，但是一直占线。
Could you do me a favor I've been trying to call my Mom and Dad for almost an hour, but the line is always busy.
能麻烦您帮我一个忙吗？我给我爸妈打电话都打了一个小时了，但是一直占线。
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