What do you need your own computer for? You can use ours.
你干吗还要自己买电脑？你可以用我们的。
It is interesting to compare their situation and ours.
把他们的状况与我们的相比很有意思。
It is possible to draw a parallel between their experience and ours.
在他们的经历和我们的经历之间找到相似点是可能的。
A hedge forms the division between their land and ours.
他们的'土地与我们的土地之间以一道树篱隔开。
When you look at their new system, ours seems very old-fashioned by contrast.
看一看他们的新系统，就显得我们的系统陈旧过时了。