Also, although the present system has hardly been perfect, it is not necessarily broken.
同样，尽管现有系统远不完美，但也没必要打破。
I am not necessarily talking about exercise, although that is good, too.
我不一定在说锻炼，虽然那也很好。
Moreover, it is a thing, although there does not necessarily have to pay return.
更何况是一件事情，虽然说有付出不一定有回报。
Moreover, it is a thing, although there does not necessarily have to pay return.
更何况是一件事情，虽然说有付出不一定有回报。
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