去中国朋友家做客，离开时对方说：“有空常来玩啊！”这句话是？
Leaving a friend's home, they say “Come over often!” How should you read it?
全球翻车率（内测预估）
A让你搬来一起住
ràng nǐ bān lái yì qǐ zhù · move in with them
✓礼貌客套话
lǐ mào kè tào huà · a polite formality
C认真邀请，明天就该来
rèn zhēn yāo qǐng，míng tiān jiù gāi lái · a genuine invitation — you should come tomorrow
DTA 家要开派对
TA jiā yào kāi pài duì · they're throwing a party
真的天天去试试？对方的笑容会逐渐标准化。
A warm but formulaic send-off, like “let's hang out sometime”. Appreciate the sentiment; don't show up unannounced tomorrow.