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废品回收处理对环境有益是不言而喻的,问题是它面临的成本太高;那么,这一对环境友好的行业怎么面对和平衡居高不下的成本呢?
The problem is that waste recycling is good for the environment. The problem is that the costs it faces are too high. How can this environmentally-friendly industry face and balance the high cost?