The index is a combination of three sub-indices covering wealth, health and education.

该指数由3个次指标组成，涵盖了财富，健康和教育领域。

youdao

Because you generally would much prefer to have the narrowest covering (probably non-clustered) index.

因为你通常可能更倾向于有窄覆盖(可能非集群)指数。

youdao

Because you generally would much prefer to have the narrowest covering (probably non-clustered) index.

因为你通常可能更倾向于有窄覆盖(可能非集群)指数。

youdao