I was delighted when I was asked to help open today's conference. 很高兴大家今天邀请我来为今天的会议活动开幕。 I want to start by saying a big thank you to all of the head teachers here today. I know how much is asked of y
And originally it was a math problem more or less. 最初它差不多只是一个数学问题的游戏。 Like, here's the economics of illegal immigration. 就像，关于非法移民的经济学问题。 And the more I learned about the Mexican culture my partne
美国俄克拉何马城——曾是全美肥胖症最普遍的城镇之一。市长米克·科内特分享市民全民瘦身累计100万磅的经历。 Mick Cornett: How an obese town lost a million pounds 一个“肥胖”的城镇如何“瘦身”100万磅 How many of you have been to Oklahoma City? 在座的
Hi, everybody. I’m speaking to you this week from a factory in Petersburg, Virginia, where they’re bringing on more than 100 new workers to build parts for the next generation of jet engines. It’s a s
