kàndào zhè lèi tōngzhī shí, xiān zhuā sān gè xìnxī: shíjiān, lóucéng, liánxìrén

看到这类通知时，先抓三个信息：时间、楼层、联系人。

When you see this type of notice, first note three pieces of information: time, floor, and contact person.