This kind of brand can be named by surname+product class name. Paiyitong learning machine is named Pai, but the single school is not good, so it can be called Pai, and then the product class name is learning machine, so it can be named Pai learning machine.
Idle fish is the App client of Alibaba's idle fish trading platform (iOS and Android versions). As long as members log in with Taobao or Alipay accounts, they can realize many functions, including reselling the treasures they have bought in their personal Taobao accounts with one click, taking photos and uploading second-hand idle items on their mobile phones, and trading online without complicated shop opening procedures.