I'm never going to change so much that people can't recognize me.

And when his audience grew bored, he would spring into the air and do a back flip with a half twist.

课程必须被视为达到目的的手段，而不是目的本身。

林业实践的创新是平衡经济增长与环境保护的关键。

如果我们想保护海洋生物多样性，可持续的捕捞方式不是一种选择，而是一种必要。

写作是探索自我的边界。