免费赠送昂贵的移动手机以便赢得客户使用电话服务也是同样的道理。

Similarly, expensive cell phones are given away for free to gain customers for phone services.

youdao

免费赠送昂贵的移动手机以便赢得客户使用电话服务也是同样的道理。

Similarly, expensive cell phones are given away for free to gain customers for phone services.

youdao