1、More than a few of us do not know the difference between black-tie or white-tie events.
但很多人卻不知著黑領(lǐng)結(jié)或白領(lǐng)結(jié)盛會的不同之處。

2、he wore semiformal attire; a black-tie dinner
他穿著半正式的服裝；要求穿半正式服裝的宴會。

3、it was a black-tie function
它是一次半正式集會。

4、it was a black-tie function.
它是一次半正式集會。