他们关于项目预算的激烈争论持续了整个下午。

Their ___contention over the project budget lasted the whole afternoon.

他的主要观点是这项政策会加重经济不平等。

His main ___contention was that the policy would worsen economic inequality.

两支球队之间的竞争非常激烈，都渴望赢得冠军。

There is fierce ___contention between the two teams for the championship title.