To sign up for the service, would-be users are necessary to sign-up their actual identify and national ID variety together with other critical own info, which include date of birth, letting other people to search for a member via the identify and the age. 描述：这段文字的基本信息。例如这段文字修辞描述的是什么？文字来源于哪里？ The two activities are unique http://collin01s9p.ampedpages.com/Helping-The-others-Realize-The-Advantages-Of--39019350