You are viewing a single comment's thread from:RE: Steemit Name Challenge @wilhb81|Steemit 用户名挑战 @wilhb81View the full contextView the direct parentwilhb81 (73)in #cn • 8 years ago 嗯，Integrated Services Digital Network，你有研究？
研究啥呀...在拨号上网向宽带过度的那几年，ISDN俗称“小宽带”，但是很快就被ADSL取代了。依稀记得是这样~