We could do a more general job if we wanted to, but for now, let's assume that one of these firms has its shop at one end of the town, and the other one has its shop at the other end of the town.

如果有需要,我们可以做更全面的分析,但现在,先假设其中一家公司的商店,在城市的一边,另一家公司的商店在城市的另外一边

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it's their job to shop and see what's new and wear expensive clothes.

购物、逛街看新款和穿昂贵的衣服就是他们的工作。

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