freephone

基本解释

Includes freephone and email helplines and sections for children and teenagers with the condition.
网站简介 : UK-based epilepsy charity; providing information and advice for people with epilepsy.
Whenever possible "Freephone" or similar facilities should be provided so that Respondents can check the Researcher's bona fides without cost to themselves.
无论何时;尽可能提供"免费电话"或类似的设备;让被访者应免费查到研究人员的真实性.
internetwork freephone
网上互通被叫付费
freephone service
免费电话业务
advanced freephone service
高级免费电话业务