A ROLLUP can also be used in the grouping expression to return data aggregated at each of the levels in a dimension.

还可以在分组表达式中使用ROLLUP，这会返回在维中每一级上聚合的数据。

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The combination of the social dimension, the cool factor and self-expression made such widgets work and they spread quickly on blogs and social network profiles.

这种插件是结合社会范围，受欢迎因素和自我表达而进行工作的，因此他们在个人博客和社会个人网络中迅速传播开来。

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Experience is the true and lively expression of life. Therefore, only experience is the best interpretation for education from the perspective of life dimension.

体验是生命最真实、最生动的表达，因此，惟有体验才是对教育在生命维度上的最好诠释。

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