A large proportion of old people live alone.

一大部分老人都是独居。

《牛津词典》

Although a small proportion of the total population, this perhaps had a massive local impact when a large proportion of the young men were removed from an area.

虽然在总人口中所占比例很小，但当很大比例的青年男子被迫迁出某一地区时，可能对当地产生巨大的影响。

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Since such a large proportion of their fat stores is exhausted despite feeding, mother seals clearly cannot support all of lactation using only energy stored before giving birth.

由于如此大比例的脂肪储备在喂养过程中会消耗殆尽，海豹母亲显然不能仅靠生育前储存的能量来维持整个哺乳过程。

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Mexicans comprise a large proportion of the more than 12 million illegal immigrants in the United States.

VOA: standard.2009.04.12

This is even more true if a large proportion of those taxpayers are high-skilled college graduates.

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This is important because a large proportion of American firms are incorporated in Delaware.

ECONOMIST: A glimmer of hope for corporate-governance reform

Interestingly Keas and Zynga have similar demographics, with a large proportion of 40-something-year-old women.

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