niche

The difficult question is how to find that profitable niche and protect it.

这个难题是：如何找到有利可图的利基市场并加以保护。

An ancestral species might have adapted to exploit a particular ecological niche on one island and then traveled over water to colonize other islands.

一个原始物种可能已经适应了利用一个岛屿上特定的生态位，然后在水上迁徙到其他岛屿定居。

On the basis of these experiments and of field observations, the so-called law of competitive exclusion was formulated, according to which no two species can occupy the same niche.

在这些实验和实地观测的基础上，人们制定了所谓的竞争排斥定律，根据该定律，没有两个物种可以占据相同的生态龛。

I think we have found a niche in the toy market.

我认为我们已经在玩具市场找到了领地。

He eventually found his niche in sports journalism.

最后他在体育新闻界找到了理想的工作。