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Small changes in farming practices can lead to big impacts on global food security.
农业实践中的微小改变可以对全球粮食安全产生重大影响。
In computer science, we stand on each other's shoulders.
爱是唯一能将我们从自己中拯救出来的东西,但它也是所有情感中最脆弱和难以捉摸的。
The war on coal is a war on the American worker.