joint investigation的用法和樣例：
例句
- The two committees are conducting a joint investigation into the big increase in juvenile crime in town in the last few years.
兩個委員會對最近幾年來鎮上青少年犯罪率急劇上升進行了聯合調查。 - The combined investigative skills of the law enforcement partners under the St. Cloud IRS Criminal Investigation and Secret Service Task Force proved to be a brick wall for E-Gold.
聯合調查技能執法的夥伴在聖雲國稅刑事偵查和特工任務力證明了磚牆電子黃金。
