Lais
abbr. 土地评估信息系统（Land Appraisal Information System）；列车运行状态信息系统（Train Running Status Information System）
🗣️ 情景例句
Did you hear the news?
你听说那条新闻了吗？
Where were we?
我们刚才说到？
It's a pleasure. Bye.
不客气。再见。