Some websites on the internet often have chat tools suitable for testing mobile phone numbers, QQ numbers, domain names and eight characters, so I wonder: Is this kind of file ancient?

Hehe ... it makes sense for you to apply any of the above situations to yourself. As Xiao Shenyang said, when you imitate a superstar, you can't recognize who it is, but as long as I tell you who I am imitating, you will think in that direction ... you will say yes. ...