We learnt how to draw buildings in perspective.

我们学习如何用透视法画建筑物。

Keep news reports in perspective.

正确解读新闻报道。

Keep debt in perspective.

保持债务视角。

Viner added: "We need a change in perspective."

Viner补充说：“我们需要改变观念。”

But these challenges must be put in perspective.

不过我们必须客观看待这些挑战。