这家小公司专注于宠物有机食品这个细分市场。

This small company focuses on the ___niche of organic pet food.

她在市场营销领域找到了自己的专长。

She found her ___niche in the marketing field.

我们在客厅的墙上凿了一个壁龛来摆放那尊小佛像。

We made a small ___niche in the living room wall to display the little Buddha statue.