24小时热线用英语怎么说
问题描述：
24小时热线用英语怎么说
答
A 7/24 hotline (It means the hotline is open 7 days a week and 24 hours a day).
24小时热线用英语怎么说
A 7/24 hotline (It means the hotline is open 7 days a week and 24 hours a day).