法律的概念是复杂的，不容易定义。

煤炭不是问题所在，问题在于我们如何使用它。解决方案在于更清洁的技术和更好的利用。

Responsible fishing isn't about catching less - it's about catching smarter.

If you let yourself be undisciplined on the small things, you will probably be undisciplined on the large things as well.

不是逢人就苦苦称赞你，你既狂放又侠义还温文尔雅。