mǎkè zài huódòng shàng rènshí le sān gè rén, huíjiā hòu zhǐ jìzhù le gōngsī míng, bù jìdé shéi shì shéi

马克在活动上认识了三个人，回家后只记住了公司名，不记得谁是谁。

Mark met three people at the event, but after getting home he only remembered the company name and couldn't recall who was who.