But the crowded city is more fortunate than much of the country, which sits atop tectonic plates that frequently slam together to cause massive earthquakes.

VOA: standard.2009.09.07

There are not many countries in which, for instance, ; that sort of religious challenge, say, to science; it happens more frequently in this country.

比如说，很少由国家，那里宗教对科学造成的威胁;,比美国还要频繁。

普林斯顿公开课 - 人性课程节选

Find something that's fun and you'll do it more frequently.

找点有趣的，你会做得更频繁。

激情生活 - SpeakingMax英语口语达人

Of course you're going to get more involved in people you encounter frequently.

当然你会和你经常碰到的人,交往得更频繁。

耶鲁公开课 - 心理学导论课程节选