What goes up and never goes down？
The answer to yesterday's riddle: Because love means nothing to them（注释：在网球比赛中love表示"零分"）
关键字:英语谜语
生词表:
The answer to yesterday's riddle: Because love means nothing to them（注释：在网球比赛中love表示"零分"）
关键字:英语谜语
生词表:
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