例如：
In exchange, workers would for go cost-of-living increases that,until recently, had long been away of life for Detroit's autoworkers.
作為交換，工人要放棄增加生活費的要求。就在不久前，要求增加生活費壹直是底特律汽車工人的壹種生存方式。
Until recently, we had been using a free email solution in stalled on one of our own servers.
直到最近，我們都是在使用我們自己的壹臺服務器上所安裝的免費電子郵件解決方案。