We should find a proper place for a picnic.

我们应找一合适的地方野餐。

Put worry in its proper place-out of your life.

忧虑的适当位置是在你的生活之外。

They have to decide on a proper place for the meeting.

他们必须选定一个合适的会面地点。

Keep Numbers, then, in their proper place-for counting things.

那么就把数字保留在其合适的位置上——用于计算物体吧。