对于什么物质能被称为是信息素，研究人员并没有达成共识。
There is no consensus among researchers regarding what qualifies a substance as a pheromone.
网站应说明是否这些信息是基于科学研究、专家共识、专业人员观点或纯属个人经验或观点。
The site should indicate whether information is based on scientific studies, expert consensus, professional opinion, or personal experience or opinion.
这项研究证实一些共识：大学校园里手机几乎无处不在，99.8%的学生拥有一个或多个手机。
The study confirms what has become common knowledge: cellphones are almost ubiquitous on college campuses, with 99.8 percent of students owning one or more.
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