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
The President explains his push for exporting American goods in Asia, and urges Congress to address earmarks as a signal of fiscal reform. This weekend, I’m concluding a trip to Asia whose purpose was
But it's a long program,so some watched part of it, like the Prime Minister. 不过它真的是一部很长的节目，所以有些人只看了其中一部分，比如咱的首相大人， Some watched a little bit more. 还有的呢，看得稍微久一点， It says, I haven't used my bed
I know many of you were convinced the last night about six o' clock local time, the world was going to come to an end, just because it hasn't does not mean that is not nearby, because my appea
