Cryptocurrencies are based on a special field of mathematics called cryptography. 加密货币是基于一种特殊的数学算法，称为密码学。 Cryptography is the study of how to secure communication, and it's about two really important
That to me is absolutely fascinating. 这于我而言，是绝对的百思不得其解。 I mean if I ever write a book it will be called: Why Smart People Do Dumb Things. 如果我要写本书的话，书名就是《为什么 聪明人净干蠢事》。 My partner says it should be auto
Because it is the day before Mother's Day 马上母亲节就要到了 To all the mothers, Happy Mother's Day 我向所有母亲致以节日的问候 Now, graduates, you all handled your business, right 毕业生们 你们都做好了自己该做的事吧 Just because yo
Hi, everybody. This weekend, we'll dedicate the newest American icon on our National Mall – the National Museum of African American History and Culture. It's a beautiful building, five stories
