简称“商广”。是指商品经营者或服务提供者承担费用，通过一定的媒介和形式直接或间接的介绍所推销的商品或提供的服务的广告commercial advertisement

• 业主不满小区电梯里贴满商业广告，物业却认为自己有广告位管理权，与业主无关。

  Owners are dissatisfied that residential lifts are plastered with advertisements, but property management companies think they have the right to manage the advertising space and it has nothing to do with owners.