比如给在线购买打印机的客户额外赠送墨盒。
For example, the chance to buy extra printer cartridges along with your purchase of your printer online.
所有的视频都可以在网上查到，还包括一个PDF文件和一些额外赠送材料。
All the videos can be streamed online, and the course includes a PDF workbook and some bonus material.
额外赠送——52%的受访者表示，与一年前相比他们更频繁地寻找有额外赠送的服务。
Extras are king - Fifty-two percent of those polled note they’re looking for added perks and benefits more often than they did 12 months ago.
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