But this question lingers and I continued to be troubled by the unequal distribution of scientific knowledge throughout the world. 但这个问题仍旧萦绕着我，我依旧会被世界上科学知识的分布不均衡问题所困扰。 We have learned to edit the huma

Hi, everybody. My top priority as President is to grow the economy and help more hardworking Americans get ahead. And after the worst economic crisis in our lifetimes, our businesses have now created

Much time has passed since Jefferson arrived for his inauguration. 杰斐逊就任总统的那个年代离我们已经很远了。 The years and changes accumulate. 时光飞逝，美国发生了翻天覆地的变化。 But the themes of this day he would know: our nation's

He was rescued by a group of isolated Indians called the Mats's. 他被一群叫做Matsés的与世隔绝的印第安人救了下来。 They beckoned for him to follow them into the forest, which he did. 他们示意他跟随他们进入丛林，他照做了。 There, they too

It's not a million-dollar question. 这不仅仅是几百万美元的问题 It's a trillion-dollar question. 这可关系到几万亿美元 I think many of the Chinese are very eager to find out 许多中国人急于找出 what it takes to form a Silicon V