Although loneliness is acknowledged by many doctors to be a huge social problem, when male professionals refer to loneliness the examples cited are nearly always female.

虽然很多医生承认孤独是一个很严重的社会问题，但是当男性专家提到孤独时，引用的几乎总是女性的个案。

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And for so-called "social enterprises," that poses a huge problem.

因而对“社会企业”来说，这就存在巨大的问题。

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That is a huge social problem, but it is also a big challenge for business.

ECONOMIST: Pharmaceuticals in South Africa

Today, boarded-up houses, graffiti, burned-out cars and a huge crime and anti-social behaviour problem have been replaced with sport's centres and libraries youth clubs.

BBC: Taking Back the Streets