色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Challenges are opportunities in disguise.

哲學的本質不是擁有真理，而是尋找真理。

光是所有存在的起源。

Sustainability isn't just good for the planet; it's good for business and essential for long-term success.

We are just beginning to understand the potential of genome editing—and the questions it raises.

我是一個幸存者，我不會放棄，我不會停止，我會更加努力。