The games are expected to have a “legacy” too: for instance, encouraging children to play sport or redeveloping parts of the city, as London, host in 2012, intends.

奥运会应该留下珍贵“遗产”，比如鼓励孩子们参加体育运动或者对城市进行重新改造，作为2012年奥运会主办城市，伦敦表达了这样的意愿。

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With a limited knowledge of their host country, they had to wait for their children and grandchildren, who grew up in Germany and understood the system better, to promote their interests.

由于对东道国了解有限，他们不得不等到他们的儿孙们——后者在德国成长，从而可以更好地理解其制度——来促进他们的利益。

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Long-term commitment in relationships is tied to a greater sense of life satisfaction, happiness and a host of practical benefits, such as shared assets and children, research shows.

研究表明，长期的婚恋关系可以给人们带来更强烈的生活满足感和幸福感，还有一系列实际的好处，比如说分享资产和共同养育孩子。

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"There is emerging evidence that a whole host of new environmental chemicals, many of them routinely found in pregnant women and children - such as Bisphenol A, flame retardants,pesticides, phthialates,and airborne pollutants."

VOA: standard.2010.08.09

The George Best Memorial Foundation will also be running a Family Fun Day in the grounds of Galgorm Castle which will include falconry, assault courses and a host of children's activities.

BBC: Golf event to honour legend Best

The NHS faces a host of problems, with many children smoking or taking drugs as well as significant levels of youth obesity and mental health difficulties.

BBC: Teenage smoking

Studies have shown that such disconnectedness leads not only to anxiety, depression, and underachievement but also to substance abuse, disruptive behavior, and a host of medical problems in both children and adults.

NPR: Excerpt: 'Delivered from Distraction'