怀化四中付书文:a quotation upon receipt of your detailed requirements

a quotation upon receipt of your detailed requirements once upon a time Once upon a century once upon a dream ONCE UPON A TIME “once upon a time”是什么意思 once upon a time是什么意思？ " once upon a time"是什么意思 韩文歌曲once upon a day Once upon a time怎么读