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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My bike is broken.

我的自行车坏了。

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