句中at the expense of People are now spending up to one quarter of their waking lives either talking or textingon the telephone or e-mailing,at the expense of face-to-face conversations,
问题描述：
句中at the expense of
People are now spending up to one quarter of their waking lives either talking or textingon the telephone or e-mailing,at the expense of face-to-face conversations,
答
在...所消费中~
答
以……为代价/交换条件
答
以牺牲。。。为代价
人们花费他们四分之一醒着的时间用于电话或邮件交谈或发信息，却失去了面对面的交谈所带来的益处。
答
在损失（面对面交谈）的情况下
答
以……为代价
人们花费他们四分之一醒着的时间用于电话或邮件交谈或发信息,这一切是以牺牲面对面交谈为代价的.
答
以……为代价