Some problems must be solved step by step, through investigation and study.

有些问题要经过调查研究来逐步解决。

youdao

We can better improve our speech act competence through investigation of speech act.

通过对言语行为的探究，我们可以更好的改进言语行为能力。

youdao

These accidents have been ascertained through investigation to be major liability accidents.

通过调查认定，都是重特大责任事故。

youdao

Missus Graham supported her reporters and editors through the long Watergate investigation.

VOA: special.2009.04.26

"Through our collaborative efforts, and year-long investigation, this public official pleaded guilty to one count of conspiracy to import more than 1,000 kilograms of marijuana into the United States, while at the same time receiving more than $5 million in bribe payments."

VOA: standard.2010.03.11

"Through investigation police learned she fabricated the (abduction) story, " Hughes said.

NPR: Sheriff: Missing Missouri Mother Faked Abduction

On the U.S. side of the border, more funding will support "prosecutor-led, intelligence-based task forces" that bring together the Department of Justice, the Department of Homeland Security and other agencies to dismantle drug cartels through investigation and extradition and the seizure and forfeiture of assets, Deputy Attorney General David Ogden said.

CNN: Obama to beef up Mexico border policy

Obviously the administration is working through that investigation and working through different aspects of mine safety proposals.

WHITEHOUSE: Press Briefing