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不知你留意过没有,新开工的建筑工地上时不时可以看到这样的身影:背着挎包,卷着裤腿,在新翻起的泥土里不断寻找着什么东西的人。他们多半是
I wonder if you have not noticed that the newly started construction site from time to time can see such a figure: carrying a bag, rolled trouser legs, in the newly turned up the soil constantly looking for something. Mostly they are