a series of actions advancing a principle or tending toward a particular end

同义词：campaign??/??cause??/??drive??/??movement??/??effort

exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for

同义词：fight??/??press??/??campaign??/??push??/??agitate

go on a crusade; fight a holy war