今天我们要学的词是 roll back. Roll back 意思是后退,退步。
国际艾滋病大会星期天在华盛顿开幕,The participants called for governments not to roll back progress made against the epidemic even though they're facing tight budgets. 与会代表呼吁各国政府,虽然面临预算压力,也不要让打击艾滋病的进展退步。美联航上周五国内机票涨价,业界专家说,United could be forced to roll back the increase if other airlines don't match it soon. 如果其他航空公司不跟进的话,美联航可能会被迫将票价降低到涨价前的水平。好的,今天我们学习的词是 roll back, roll back, roll back....