This is only less than

Sociologists and demographers have discovered that couples who have at least one son face significantly less risk of divorce than couples who have only daughters. Why is this?

社会学家和人口学家发现，有至少一个儿子的夫妇比那些只有女儿的家庭面对的离婚风险要小得多。为什么？

This is not only the result of recession: France's national auditor calculates that crisis-related measures accounted for less than half of last year's deficit.

这不仅仅是由于衰退造成的：法国国家审计员计算认为与金融危机有关的措施只占了去年赤字的不到一半。

This means only about 5% of television is time-shifted and less than 3% of all advertisements are skipped.

这意味着只有大约5%的电视节目是录好之后再看的，并且少于3%的广告被跳过。