1·I guess 'cause it's a popular topic people want to read about?
我猜因为这是人们想要读到的热门话题吧？
2·This is a very popular topic.
这是一个很流行的话题。
3·Basinfluid is a popular topic in basin analysis.
盆地流体是近年地学研究的热点之一。
4·Losing weight through herbal teas is a very popular topic.
喝花草茶减肥是非常流行的。
5·Rationality has been a popular topic of discussion for many years.
很多年来，合理性（rationality）这一话题一直为人们所热议。
6·Corporate governance structure is popular topic in the world.
公司治理结构是当今全球关注的焦点问题。
7·News planing has become a popular topic in news circle recently.
新闻策划是近些年来新闻界的热门话题。
8·The research into family history becomes a popular topic in sociology.
家族史研究已成为社会学的一个热点。
9·The bridge safety evaluation is gradually popular topic in recent years.
桥梁安全性评价是近些年来日趋热门的一个课题。
10·One way to find a great niche is to carve out a small corner of a popular topic.
其中一个好的方法是，从一个热门话题里开拓出一个小角落来讨论。