Hi, everybody. 嗨，大家好。 Our top priority as a country right now should be doing everything we can to grow our economy and create good, middle class jobs. 我们国家现在的第一要务就是想尽一切办法促进经济增长和创造中产阶级需要的好的工作岗位。 And y
THE PRESIDENT: Thank you, all. Please be seated. Welcome to the South Ground of the White House. It is a joy to be here with members of the armies of compassion. I'm really glad you're here and I appr
The ideal teacher may be young or old, tall or short, fat or thin. He should know his subject, but he can make mistakes if he is willing to learn. His personality is as important as his scholarship. T
I am holding something remarkably old. It is older than any human artifact, 我拿着的是一个十分古老的东西。它比任何一个人工制品都要古老， older than life on Earth, older than the continents and the oceans between them. 比地球上的生命古老，也比
