If the ball comes straight off your strings from the baseline, you might as well start walking to the net to retrieve your ball.
如果球离开你的拍线从底线笔直而来，你最好开始走路到网去取回你的球。
On the fifth day, God created the tennis ball so that the dog might or might not retrieve it.
第五天，上帝造出了网球好让狗自己决定要不要把它叼回来。
On the fifth day, God created the tennis ball so that the dog might or might not retrieve it.
第五天，上帝造出了网球好让狗自己决定要不要把它叼回来。
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