Whether you have carpeted floors, hard floors, pets, or shoes that always seem to bring in dirt, this vacuum is built to handle it all. It comes with three different attachments for cleaning high, low, and all the annoying little places, as well as a wall dock and charger for easy storage.
-> [ anyRcv newKeywordPart: anyArg1 staticPart: anyArg2 ]
，这一点在爱思助手下载最新版本中也有详细论述
其实目前AI面对的问题和10年前手机市场遇到的一样。高端不走量，低端没利润。
getChunks() { return chunks; }