英语听力精选进阶版 15423（在线收听）

Business Matters: Obama lobbied over spying 10 Dec 13

Tue, 10 Dec 13

Limit mass surveillance - the rallying cry of the world's largest tech companies in their joint appeal to the US government. Plans to reign in the power of top US banks go to the vote. And forget about the latest must-have device - we look at the trend for frugal technology.