THE PRESIDENT: Good morning. This Memorial Day weekend, Americans honor those who have given their lives in service to our Nation. As we pay tribute to the brave men and women who died for our freedom
Well, it's neither. It's not magic and it's not complicated. 嗯，其实都不是。它并不神奇也并不复杂。 It all just happened really, really, really fast. 只是这一切发生得十分，非常，特别快。 Computer scientists built these amazing, beautiful
All right, pick one, last quest: Shake someone's hand for six seconds, 很好，选一个，最后一个使命：和任何一个人握手6秒钟 or send someone a quick thank you by text, email, Facebook or Twitter. Go! 或者通过短信、邮件、Facebook、Twitter，说
