市场总是在变化，你的策略也应该如此。

Reading good literature is like experiencing love: it changes you.

The past is not a foreign country; it is our own.

Collaboration across sectors is the only way to solve forestry's greatest challenges.

所以发表言论有三条准则,哪三种准则呢？第一是审查本质,第二是推理情理,第三是用于实践。