n.电话销售;电话推销
The telemarketing industry is growing in India. 电话行销产业在印度正逐渐成长。
I really think that telemarketing shouldn't be allowed. 我确实认为不应该允许电话推销。
Telemarketing has become so popular that you'll soon receive many calls each day. 电话直销已经很流行,因此不久你就会每天都接到多通推销商品的电话。