发自剑桥 — — 在美联储最近也是头一次的新闻发布会上，主席本·伯南克为本机构饱受诟病的大规模购买美国政府债券（也就是所谓的“量化宽松 ” ） 政策大力辩护。
CAMBRIDGE – At the United States Federal Reserve’s recent and first-ever public press conference, Chairman Ben Bernanke gave a spirited defense of the Fed’s much-criticized policy of mass purchases of US government bonds, also known as “quantitative easing.”