When coming up with the curriculum for Ruby's world, 当我要设计一个介绍Ruby世界的课程时， I needed to really ask the kids how they see the world 我想要真正问问孩子们，他们是如何看待这个世界的， and what kind of questions they have and I wou
Hi, everybody. Today, our economy is growing and our businesses are consistently generating new jobs. But decades-long trends still threaten the middle class. While those at the top are doing better t
Well, good afternoon everyone, and welcome to the White House. Yay! (Applause.) See, I always have to loosen you guys up. You’re in the White House, you’re a little stiff. (Laughter.) But let me just
第十届“21世纪杯”全国英语演讲比赛季军——张阿旭 香港理工大学 演讲稿：Two-Way Traffic Seven centuries ago, Marco Polo, after staying in our country for almost twenty years, brought the secrets of spaghetti and
