这就像坐在椅子上运动手脚来模拟训练骑自行车一样，一旦骑上真正的自行车，必摔无疑。
When that person actually tries to ride on the bicycle, he or she will surely fall. This is because the proper reflexes and feeling of balance have not been developed.
尽管不像真正的自行车赛场那样充满压力，但对于这个年龄段的小朋友来说输了比赛也是惨痛的教训。
It's a far cry from the pressure of the velodrome but even at this age learning to lose is a harsh lesson.
如果你是一个真正的自行车手或者你认识一个这样的人，你也许知道，这几年制造真正好自行车的材料已经变了很多。
If you're a serious cyclist or know someone who is, you probably know that over the years, the stuff really good bikes are made of has changed.
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