And in doing so, we were breeding them for parasitism. 为了做到这点，人类用喂养的方式来让它们寄生于我们。 We were giving them all sorts of reasons to adapt new ways. 我们给了动物们适应新环境的各种理由。 So, for example, rats are incredibly res

Remarks of President Barack ObamaWeekly AddressThe White HouseJanuary 1, 2011 Hello, everybody. As we close the books on one year and begin another, I wanted to take a moment today to wish you a very

Imagine that you invented a device 想象你发明了一种设备 that can record my memories, my dreams, my ideas, and transmit them to your brain. 能记录我的记忆、我的梦想、我的想法，并且传到你的大脑。 That would be a game-changing technology, r

Good afternoon, ladies and gentlemen:    Bidding for the Olympic Games, in a way, an image-creating undertaking. The first and foremost thing is to let people fall in love with the city at f

Throughout my entire life, I have witnessed his empathy and generosity towards others, especially those who are suffering. It is just his way of being in your corner when you're down. 在我的整个生命中，我目睹了他对别