农民的需要就是我们科研的方向。

要违背法律，你必须诚实。

Pleasures， then， and the avoidance of pains， are the ends that the legislator has in view.

A company's true value is measured by its impact on society, not just its balance sheet.

只要你嘴里有食物，你就暂时解决了所有问题。