1·New fashions drive out old ones.
新款式服装使旧的款式不再流行。
—— 《牛津词典》
2·The new houses were more sanitary than the old ones had been.
新房子比老房子卫生。
—— 《牛津词典》
3·Had the old ones worn out?
旧的那些都破了吗？
4·New homes can be built from the stones, bricks and beams of old ones.
新房子可以用旧房子的石头、砖块和横梁建造。
5·The problem appears to be more troublesome in newly constructed homes rather than old ones.
这个问题似乎在新建房屋里比在老房子里更为麻烦。
6·To limit the number of telescopes on Mauna Kea, old ones will be removed at the end of their lifetimes and their sites returned to a natural state.
为了控制莫纳克亚山上望远镜的数量，旧望远镜将在使用寿命结束时被移除，因此这些场地将恢复到自然状态。
7·They learn new roles and unlearn old ones.
他们学习新的角色，试图忘记旧的。
—— 《柯林斯英汉双解大词典》
8·As time goes by, some new dreams have appeared and some old ones have disappeared.
随着时间的流逝，一些新的梦想出现，一些旧的梦想消失。
9·Mary had been rather tired of the old ones.
玛丽对那些旧的已经相当厌倦了。
10·Esperanto also has a highly productive system of constructing new words from old ones.
世界语也有一个用旧词构造新词的高效系统。