Crucially, the brane floats in a higher dimensional space-time called the bulk, which we are normally completely oblivious to.

最重要的是，这个膜漂浮在称为主体(bulk)的更高维数的时空上，这个主体的时空通常我们还完全没有注意到。

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The results show that the kinetic energy in the impeller region is higher than in the bulk flow.

结果表明：湍动能分布不均匀，在叶轮区较高，而在主体区较小；

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The construction of bulk concrete demands higher technique.

大体积混凝土的施工技术要求比较高。

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But contrary to what Mr Edmonds thinks, this would have meant higher taxes for the bulk of the population, not just fat cats.

ECONOMIST: The economy

Despite a few exceptions that are tirelessly (and selectively) cited by advocates of a higher minimum wage, the bulk of the evidence -- from scores of studies, using data mainly from the U.S. but also from many other countries -- clearly shows that minimum wages reduceemployment of young, low-skilled people.

WSJ: Delay the Minimum-Wage Hike

Higher income Americans also pay the bulk of other taxes.

FORBES: The Proper Post-Election Agenda: Cut Spending, Then Taxes