一名成功的入户拜访推销员在把他的产品推销出去前，他总会告诉你他的一只脚已经伸进门里边了(也就是说他已经被邀请入屋)。

Door salesman will tell you that he must really and truly have a foot in the door (ie. be invited into a home) before he can sell someone his products.

youdao

一名成功的入户拜访推销员在把他的产品推销出去前，他总会告诉你他的一只脚已经伸进门里边了(也就是说他已经被邀请入屋)。

Door salesman will tell you that he must really and truly have a foot in the door (ie. be invited into a home) before he can sell someone his products.

youdao