心灵需要书本,就像一把剑需要磨刀石。
Sustainable fishing isn't an option—it's the only way forward if we want to preserve marine ecosystems.
故事是作者写给自己的一封信,用来告诉自己那些他无法以其他方式发现的事情。
The Internet is a global resource that should be managed in the public interest.