线下广告 meaning in Chinese
below-the-line advertising
Examples
- Free samples are below - the - line advertising
赠送样品属于线下广告。 - Below - the - line advertising
线下广告 - Offline advertising ( i . e . radio , tv , print ads ) is sometimes not effective
线下广告（如收音机，电视，印刷品）有时并没有效果。