Semi-Formal or After Five means that tuxes are not required, nor are long dresses. An evening wedding (after 6 PM) would still dictate dark suits for him, and a cocktail dress for her. Daytime semi-formal events mean a suit for him and an appropriate short dress or dressy suit for her. 4 z, l; j0 y' g; e晚上的Semi-Formal 5 J+ p0 u8 ^& U/ i- A6 e
女士:小礼服, 长礼服不必 - H; T1 \' g. } j) `) V男士:深色西装, 领结,燕尾服不必。