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。
Their house is very similar to ours, but ours is bigger.
他们的房子和我们的十分相像，但我们的要大些。
Our dresses were the same except mine was red.
我们的连衣裙是一样的，只是我的那件是红色。
Her dress is almost identical to mine.
她的连衣裙和我的几乎一模一样。
The eyes of some fish have a greater sensitivity to light than ours do.
有些鱼的眼睛对光比我们敏感。