它们都是源自于美国前所未有的储蓄下滑 — — 计入了贬值因素的“国民净储蓄率 ” （ 结合企业，家庭和政府）自2008年一直为负值 — — 所导致的大规模多边贸易逆差的一部分。
They are all part of an enormous multilateral trade deficit that stems from America’s unprecedented shortfall of saving – a depreciation-adjusted “net national saving rate” (combining businesses, households, and the government sector) that has been negative since 2008.