Using samples from around Southeast Asia, Buckley and his colleagues saw this pattern in tree rings from recent years, when he could corroborate the rings with other historical climate information.

VOA: standard.2010.04.05

The "what do you" pattern is an easy way to find out more information about somebody else.

what do you”句型是用来进一步了解他人情况的一个简单的方式。

What do you 课堂 - SpeakingMax英语口语达人