It is extremely useful when the user wants to know all of the results of one page.

如果用户想知道一个页面中的所有结果，那么它是非常有用的。

youdao

An example when this is useful is when all stereotypes coming from the same profile need to group properties together under the same category.

例如当所有的原型是同一个概要文件所使用的，并在同一类别下的属性集，是非常有用的。

youdao

The popup menu is very useful when you have large number of non-shared subunits and all of them have to be converted to same type during import.

您拥有大量的子单元，而且它们中的大多数都需要在导入期间转化为相同的类型时，弹出菜单就十分的有用了。

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All those eligible should certainly apply for the service, as an unlocked iPhone is infinitely more useful when traveling abroad -- a reality that deployed military members know all too well.

ENGADGET: Confirmed: AT&T offers complimentary unlock of in-contract iPhones for deployed military personnel

After all, it can be enormously useful when it comes to financing homes and educations.

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Alliances seem even more useful when companies are not potential rivals at all, but firms that are at different points on the same value chain.

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