美国以低利率大量举债的能力就像给经济注入了一针强心剂，人为地支持了消费的增长，使政府得以延迟在税收和军事开支之间做出艰难的抉择。
For the moment, America’s ability to borrow vast sums at low interest rates acts like a huge dose of steroids on the economy. It artificially props up consumption growth and allows the government to defer hard choices between taxes and military expenditures.