external benefit

基本解释

It is discussed from four aspects: firstly, the gist of the external benefit's return theory is introduced;
三是从财政管理和城市开发两方面介绍了外部收益还原的方式；
The results demonstrate that the policy failure of agricultural land protection lies in the pursuit of external benefit and lack of fair compensation and incentive.
研究结果：农地保护实质主要是出于农地外部效益的考虑，政策缺乏公平补偿的经济激励而易失效。
Rural land has notable external benefit. The general recognition and the impulse compensation are good to protect rural land efficiently to provide it and increase the social welfare.
农地农用产生显著的外部效益，只有得到社会普遍的认知以及在经济上实现激励补偿才有助于农地的有效保护并持续供给，增进社会福利。

The benefit of external social engagement are conversion as you point out in your article.
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