Because most of the men from these three study groups came from unbroken families, Bogaert looked at a fourth group, composed of men who had been adopted or raised with half - or step-siblings.
这三组调查中的实验对象都来自完整的家庭，因此波捷特把目光投向了第四组的实验对象。第四组的实验对象要么是被领养的，要么是和继父继母的子女一起长大。
Mitt Romney, a former governor of Massachusetts who won in Michigan last week, came fourth.
麻省前州长罗姆尼在上一周的密歇根初选中获胜，这次却区区排名第四。
US Online advertising expenditure soared 38 per cent in the fourth quarter of 2003, but executives who helped route that money say they doubt much of the rise came at the expense of traditional media.
2003年第四季度，美国的在线广告支出激增38%，但帮助投下这些资金的公司高管表示，他们认为，其中大部分增幅并不是以牺牲传统媒体广告为代价。
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