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1·Very often such statues were enclosed in rectangular shrines or wall niches whose only opening was at the front, making it natural for the statue to display frontality.

这些雕像通常被封闭在长方形的神龛或壁龛中，它们唯一的开口在前面，这使得雕像很自然地展现了正面。

2·Many zoologists believe that it was because so many ecological niches were available with virtually no competition from existing species.

很多动物学家认为，这是因为，在几乎没有任何现存竞争物种的情况下，有太多的生态小生境可供生存。

3·This fact was of enormous value in helping the national economies find their niches in the evolving currents of the international economy.

这一事实对帮助各国经济在国际经济的演变潮流中找到自己的位置具有巨大的价值。

4·Following each mass extinction, there is a sudden evolutionary burst as new species develop to fill the ecological niches opened by the event.

在每一次物种大灭绝后，都有一次突然的进化爆发，因为会有新物种出现来填补灭绝创造的生态位。

5·The physical structure of species competing for resources in the same ecological niche tends to gradually evolve in ways that allow them to occupy different niches.

争夺同一生态资源的物种趋向于朝着依赖不同资源的方向进化；而相互竞争的物种会逐渐改变他们的活动范围，使其领地不再重叠。

6·What niches are you looking into?

你们又在关注着哪些有利可图的市场呢？

7·Do they find new niches or get displaced?

他们是去发现新的商机还是被取代？

8·Look for innovative or specialized niches.

寻找革新的或专门的位置。

9·Certainly, many countries will keep their niches.

当然，很多国家依然会保持他们的小众市场。

10·Each one of us does our work. We each have our niches.

我们都专注于自己的工作，各司其职。

(1)niche market瞄准机会的市场；缝隙市场

(1)market niche市场利基；市场定位；市场补缺基点；市场补缺者

(1)ecological niche生态位；生态龛位；小生境；生态区位