雙軌
double-track;two-tier
美國政府對于給聯(lián)合國出資采取了～方針，一方面同意支付新的維和行動，而另一方面卻繼續(xù)克扣其固定會費。The US government adopted a“two-track”approach toward financing the UN,agreeing to pay for new peacekeeping operations while continuing to withhold its regular contribution./～決定dualtrack decision/～鐵路dou ble-track railway/～制two-tier system;double-track system/～制價格double-tiered price system;dual-track price system(of official and market prices)