FOMO
noun [ U ] informal uk/ˈfəʊ.məʊ/ us/ˈfoʊ.moʊ/
唯恐错过，社交控（"fear of missing out" 的缩写，尤指担心错过社交媒体上的消息）
abbreviation for "fear of missing out": a worried feeling that you may miss exciting events that other people are going to, especially caused by things you see on social media
Don't get FOMO. Get a ticket now! 不要有唯恐错过的恐慌之感。现在就去买票！