black-tie 是什么意思

	adj. (晚会)要求穿男礼服的。

moderately formal; requiring a dinner jacket; "he wore semiformal attire"; "a black-tie dinner"
同义词：semiformal, semi-formal,

	1.	Unless it is a black-tie occasion, make the invitation informal in tone . 如果不是隆重的场合，邀请要用非正式的语气。
	2.	For us this is a black-tie occasion in spirit as well as in dress . 对我们来说，无论在内心里还是在情绪上这都是一个难以用语言来形容的机会。

black-tie是什么意思