But the truth is that these are mostly one-offs, boutique projects, not easily reproduced at a global scale. 但事实是这些往往都只是个例，精品工程没办法轻易的在全球范围内普及。 And that is the point. When you use materials that have a
Obama's Weekly Address WEEKLY ADDRESS: The President's Year of Action 奥巴马每周电视讲话:总统的年度施政计划 Hi, everybody. 大家好！ My number one priority as President is doing whatever I can to create more jobs and opport
Hello, everybody. It is a pleasure to welcome all of you to the White House. I'm going to be very brief, because I know you're all looking forward to heading down the street a little bit later for a w
How about the next question? This is asking about what the average age is, 那么下一个问题呢？这是问关于年龄的中位数， so the age at which half the population are younger and half the population are older. 也就是该地区大于和小于这个年龄的
