vi.作战；参加活动；参加竞选
n.战役；运动；活动
The campaign collects donations.
此项运动收集捐款
The election campaign concluded with a mass meeting.
竞选活动以群众集会而告结束.
A cost reduction program can be regarded as a continuous campaign to solicit change.
可以把降低成本规划看作是引发改革的一个不断继续的运动.