这两支队伍之间的激烈竞争已经持续多年。

The intense ___rivalry between the two teams has been ongoing for years.

重大差异可能在个人之间滋生强烈的竞争。

Major differences can foster a strong ___rivalry between individuals.

政治竞争常在竞选期间升级。

Political ___rivalry often escalates during election campaigns.