niche

他花了很多时间才找到适合自己的职业定位。

It took him a long time to find his ___niche in the career world.

她在市场营销领域找到了自己的专长。

She found her ___niche in the marketing field.

这家公司专注于宠物美容这个细分市场。

The company focuses on the pet grooming ___niche.