When did it become accepted wisdom that students should be able to name the 13th president of the United Sates but be utterly overwhelmed by a broken bike chain?

学生们应当说出美国第13任总统的名字，而面对一根断裂的自行车链条时却不知所措，这是什么时候形成的共识？

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When did it become accepted wisdom that students should be able to name the 13th president of the United States but be utterly overwhelmed by a broken bike chain?

学生们应当能说出美国第13任总统的名字，但面对一根断裂的自行车链条时却不知所措。这是什么时候形成的共识？

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A group of men are caught on camera fixing a broken bike rack in England.

摄像机拍摄到，英国一群男子在修理坏了的自行车固定架。

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Hunched over a broken bike on the side of a highway in the rain, a kindly policeman helped us jury rig a spoke without a wrench.

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It was an old bike with a broken belt and I had to fix it.

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My next stop was an auto repair parts shop, where I had hoped to find a new bracket to staple a broken luggage rack onto by bike.

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