这张地图是地形图，显示了不同的地形。

This is a topographic map showing various ___terrains.

这片地形不适合建造房屋，因为太崎岖了。

This ___terrain is not suitable for building houses because it's too rough.

在金融领域这个复杂的地带，经验丰富的投资者往往能把握先机。

In the complex ___terrain of finance, experienced investors often spot opportunities first.