“以前”造句
道格拉斯29岁，是个技术不错的拳击手，在
以前的比赛中发挥不太稳定。
Douglas was a 29-year-old journeyman fighter, erratic in his previous fights.
定量供应很久
以前就结束了饼干过剩的状况。
Rationing had put an end to a surfeit of biscuits long ago.
现在我们能公开谈论
以前讳言不提的艾滋病问题。
We can now talk openly about AIDS which we couldn't before.