In many such cases, a cursory search for causes finds that some small group of people was wearing, promoting, or developing whatever it is before anyone else paid attention.
在许多这样的案例中，粗略地寻找原因会发现，总有一些小群体在其他人注意到之前就已经在穿、推广或发展这些东西了。
factors promoting artwork circulation
促进艺术品流通的因素
Consumers passionate about a product may create "earned" media by willingly promoting it to friends, and a company may leverage "owned" media by sending e-mail alerts about products and sales to customers registered with its Web site.
对产品充满热情的消费者可能会通过主动向朋友推荐产品来创造'赢得的'媒体，而企业则可以通过向在其网站上注册的客户发送电子邮件，告知产品和促销信息，来利用'自有'媒体。
Paid and owned media are controlled by marketers promoting their own products.
付费媒体和自有媒体由推广自己产品的营销人员所控制。
Even though there is plenty of evidence that the quality of the teachers is the most important variable, teachers' unions have fought against getting rid of bad ones and promoting good ones.
尽管有大量证据表明教师素质是最重要的变量，但教师工会却反对淘汰不合格的教师和提升优秀教师。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。