You flip a coin. Fifty percent risk. That's quite a lot. 这和掷硬币的几率一样。 50％的风险，不是一般的高。 If he instead would go to Hamburg, 如果他换而选择去汉堡， and to a clinic called the Martini-Klinik, 去一个叫Martini的医院， the ri
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
September 12, 2007 Hispanic Americans have strengthened our country and contributed to the spirit of America. National Hispanic Heritage Month is an opportunity to honor these contributions and celebr
March 25, 2008 THE PRESIDENT: Thank you. Your Eminence, thank you very much. Welcome to the White House. I'm always open for a few suggestions. (Laughter.) You're an easy man to listen to. And I want
An order to begin construction of the Keystone and Dakota Access pipelines, following a renegotiation of terms, 签署命令重启基石与达科塔输油管道项目条款的谈判,之后就开始建设。 with a requirement that pipelines installed in America
