如果接到正式的活动邀请，你最好穿上套装，打上领带。穿上宴会套装或晚礼服更合适。

If you are invited to a formal, it's best to wear a suit and a tie, preferably a dinner suit or tuxedo.

youdao

如果接到正式的活动邀请，你最好穿上套装，打上领带。穿上宴会套装或晚礼服更合适。

If you are invited to a formal, it's best to wear a suit and a tie, preferably a dinner suit or tuxedo.

youdao