"campaign" in Chinese (Simplified)
活动运动（有组织的宣传行动）竞选
Definition
Campaign 指为了实现某个目标而有计划地开展的一系列活动，常见于广告、政治或社会议题中。
Usage Notes (Chinese (Simplified))
常见搭配有 'ad campaign'、'election campaign' 和 'launch a campaign'。它既可指商业宣传，也可指政治竞选或为某个社会目标而发起的有组织行动，在正式语境和新闻中很常见。
Examples
The company started a new campaign for its phone.
这家公司为它的手机发起了一项新的**活动**。
She worked on the mayor's campaign last year.
她去年参与了市长的**竞选**活动。
The school ran a campaign to save water.
学校开展了一项节约用水的**活动**。
Their latest campaign really got people talking online.
他们最近的这次**活动**真的让大家在网上议论起来了。
He's been on the campaign trail for months, and he's exhausted.
他几个月来一直在**竞选**奔走，现在已经累坏了。
We should launch a campaign instead of posting one angry message.
我们应该发起一场**运动**，而不是只发一条愤怒的消息。