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捡塑料垃圾,不需要本钱,但赚不了大钱;加工塑料垃圾,需要少量本钱,但可以赚大钱。李辉就在制造富翁,因为他做加工垃圾的设备。
捡 Plastic waste does not require cost, but it does not make much money. Processing plastic waste requires a small amount of capital, but it can make a lot of money. Li Hui is building a rich man because he works on waste processing equipment.