party convention中的convention是例会的意思吗?

democratic party convention什么意思? World Health Organization Framework Convention什么意思 conference 和convention的区别是什么? custom,tradition,convention的区别是什么? accord、treaty 和convention的区别是什么? conference convention meeting的区别在哪里? 自认是英语高手的进翻译下面的信Dear Parent/GuardianRe:CAREERS CONVENTION OPP 请问名词性的danger,convention,technology的复数形式需要加s吗? convention ritual区别 请问：National Passport &Travel Document(1951 Convention)什么意思? United Nations Framework Convention on Climate Change是什麽意思? convention和tradition的区别,最好有例子