这片经济林的收益很好，经济效益很高。
This commercial forest is very productive and can generate good economic returns.
其经济效益很高。
此项目的实施，将会有很高的社会及经济效益。
Implementation of this project will bring great social and economic profits.
经过实践有很高的经济效益。
Practice indicates that excellent economic result can be reaped by this method.
经过实践有很高的经济效益。
Practice indicates that excellent economic result can be reaped by this method.
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