成功地启动一个广告宣传活动，你在脑海里必须有一个清晰的广告目标和目标受众。

When you start a successful AD campaign, you must have a clear goal and target audience in mind.

youdao

成功地启动一个广告宣传活动，你在脑海里必须有一个清晰的广告目标和目标受众。

When you start a successful AD campaign, you must have a clear goal and target audience in mind.

youdao