collusion
调查显示两家公司之间存在价格操控的合谋行为。
The investigation found evidence of ___collusion between the two companies to fix prices.
调查揭露了狱警与囚犯之间串通走私违禁品的行为。
The investigation revealed ___collusion between prison guards and inmates to smuggle contraband.
记者揭发了开发商与多名规划官员串通规避法规的行为。
The journalist uncovered ___collusion between the developer and several zoning officials to bypass regulations.