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经济学人下载:电动自行车冲击(1)
2020-08-13来源:Economist
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I think I have got to stop or I might turn into a machine
我想我得停下来了，否则我就会变成一台机器。
2.supply-chain 供应链
These two examples show that the concept of a supply-chain is in some ways an over-simplification.
这两个例子说明供应链的概念在某些方面上过于简化了。
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