By the end of this year, 截止今年年底， there'll be nearly a billion people on this planet 这个星球上将有接近十亿人口 that actively use social networking sites. 在很活跃地使用社交网站。 The one thing that all of them have in com
Weekly Address: Progress with the G-20 in Pittsburgh Recorded literally on his way back from the G-20 Summit in Pittsburgh, the President uses his Weekly Address to recap the progress made during the
