Social enterprises take an entrepreneurial approach and draw on the local environment to enhance their economic and social performance.

社会企业采取一种企业的方法，并且利用地方环境增强它们的经济表现和社会表现。

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The results also showed: adding NSP enzyme into duck diets can significantly improve duck production performance, reduce feed costs and enhance economic efficiency.

结果表明，在肉鸭日粮中添加最优nsp酶可以显著改善肉鸭的生产性能，降低饲料成本，提高经济效益。

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We need to pass laws that enhance the recovery, enhance job creation, enhance middle-class security, and position this country for the kind of economic performance in the 21st century that the United States enjoyed in the 20th.

WHITEHOUSE: Press Briefing