是diversity:
n. 多样性；差异
This practice has greatly affected the species diversityof the area.
这种做法很大程度上影响了该地区的物种多样性。Two of our greatest strengths are diversity and community.
我们的两个最大优点是多样性和团体精神。
There is a need for greater diversity and choice in education.
教育方面需要更加多元化和更大的选择性。
We have nothing against diversity; indeed, we want more of it.
我们并不反对多样化；其实，我们希望有更多的多样化。
Conservationists are mostly wedded to preserving diversity in nature.
自然环境保护主义者大多致力于保持物种的多样性。
