He likes to trace the origins of all things.

什么事他都喜欢推本溯源。

youdao

To trace the origins of the Irish problem, we have to go back over three hundred years.

要探讨爱尔兰问题的起因就要追溯到三百多年以前。

youdao

To trace the origins of the Irish problem, we have to go back over three hundred years.

若要探讨爱尔兰问题的起源，我们得回到几百年前。

youdao

Officials at the International Colored Gemstone Association, for instance, are pushing to create a system to trace the origins of colored gems.

WSJ: Secret Rocks and Gem Hunters | WSJ.Money Summer 2013

Donaldson said scientists are yet to definitively trace the origins of the virus strain that Britain is currently battling to contain and eradicate.

CNN: Foot-and-mouth virus: A global dilemma

Electronic companies, which can trace the origins of most of their materials, concede they cannot guarantee that their products are not tainted with conflict, slave or child labour.

BBC: DR Congo mining fights to revive reputation