也许你一开始发现客户参与度很低，或者恰恰相反，大量成功造成回收成本过高。
Maybe you see low customer participation at first or conversely, so much success that the cost of recycling becomes too high.
要明白将成本过高做为根本问题进行抨击不解决任何问题。
鲑鱼和鳟鱼对水质较为敏感，陆地养殖成本过高。
Salmon and trout are more sensitive to water quality, making land-based systems more expensive.
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