但如果缺少了美国，基于规则的国际体系就不那么安全 — — 尤其是其他人很快就会跟着特朗普有样学样，放弃多边合作选择双边合作。
Without the US on board, the rules-based international system would be far less secure – not least because others might soon follow Trump’s example, choosing bilateral deal making over multilateral cooperation.