These were global, not just American, and their pervasiveness explains why leaders of the major economies have struggled, so far unsuccessfully, to fashion a common response.

• 现在看来，次贷危机仅仅使经济发展滑落，这是全球性的经济滑落（不局限于美国），和经济大国的领导人应对危机的普遍解释。