ours

This fertile farmland has been ours for five generations of our family.

(Chinese) 这片肥沃的农田五代以来一直是我们家族的。

I noticed two similar backpacks on the floor; is this blue one yours or ours?

(Chinese) 我注意到地板上有两个相似的背包；这个蓝色的是你的还是我们的？