For most of that time of life on Earth, living organisms have been relatively simple -- single cells. 地球的大多数时间，生物体多是以简单的单细胞存在的。 But they had great diversity, and, inside, great complexity. 但是它们是十分多样的，

I try to be myself honest about my strengths and weaknesses 我努力做真实的自己 直面我的优点和缺点 and I encourage others to do the same 我会鼓励别人也这么做 It is all professional and it is all personal 一切都与职业相关 也都与个人相关 all at t

So, here it is. 所以总的来说， When you talk to strangers, you're making beautiful interruptions 当你在与陌生人聊天的时候，你通过介绍自己的经历， into the expected narrative of your daily life and theirs. 对自己和别人的生活进行了非常美妙的打扰。 You'r

Hi,everybody. Five years ago, we finally declared that in America, health care is not a privilege for a few, but a right for all.And this week, after more than fifty votes in Congress to repeal or wea

当地时间5月31日，脱口秀女王奥普拉·温弗瑞（Oprah Winfrey） 在哈佛的毕业典礼上为毕业生们献上了一场精彩励志演讲。"There is no such thing as failure. Failure is just life trying to move us in another direction." "Oh my goodness! I'