Juvenile delinquency is a serious social problem in this country.

少年犯罪是这个国家一个严惩的社会问题.

Most people have realized that the income gap has long been a serious social problem.

大多数人已经意识到收入差距一直是一个很严重的社会问题。

Recently the traffic jam in Beijing has become into a serious social problem attracting extensive attention.

北京近年来交通拥堵严重，成了一个广泛关注的社会问题。

Even if China does not (yet) have a credit-fuelled housing bubble, the fact that property prices in Beijing and Shanghai are beyond the reach of most ordinary people is a serious social problem.

即使中国没有因信贷而助长的房地产泡沫，北京和上海的房价已超出普通百姓的能力这一事实仍是严重的社会问题。