这一动态暴露了特朗普经济学的阿克琉斯之踵：公然倒向保护主义，而保护主义与保持美国经济增长无法摆脱的外部储蓄和贸易赤字依赖格格不入。
That dynamic unmasks the Achilles’ heel of Trumponomics: a blatant protectionist bias that collides head-on with America’s inescapable reliance on foreign saving and trade deficits to sustain economic growth.