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一个小痞子出于无聊或报复,砸坏了理发师的玻璃窗。这本来是件坏事,尤其是对于理发师来说,要承受窗子坏了的损失。但同时,它也带来了另外一种结果,那就是为玻璃商带来了生意,而玻璃商从理发师那里赚到的钱,又可以用来从其他商人那里购买其他商品。于是,在这种不断扩大的循环中,
A little sister smashed the barber’s glass window out of boredom or revenge. This has always been a bad thing, especially for the barber, to suffer the loss of the window. But at the same time, it also brought another result, that is to bring business to the glass business, and the money that the glass traders earn from the barber can be used to buy other goods from other merchants. So, in this ever-expanding cycle,