Sustainable fishing isn't an option—it's the only way forward.
The concept of a legal system presupposes the concept of a rule.
解释:大部分药材都以新鲜为好,但艾草却以陈年的为佳,体现了药材使用的特殊性。
任何人都能成为历史,只有伟人能创造历史。
The potential of CRISPR is limited only by our imagination and responsibility.