Take a piano, HMM? The keys begin, the keys end. You know there are 88 of them. Nobody can tell you different. They are not infinite.
拿钢琴来说，键盘有始也有终。它有88个键，这是错不了，这是定死了的。
Take a piano, HMM? The keys begin, the keys end. You know there are 88 of them. Nobody can tell you different. They are not infinite.
拿钢琴来说，键盘有始也有终。它有88个键，这是错不了，这是定死了的。
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