convention noun (MEETING)
convention noun (CUSTOM)
C1 [ C or U ] a usual or accepted way of behaving, especially in social situations, often following an old way of thinking or a custom in one particular society
传统;(尤指社会)习俗;常规;惯例 They defied/flouted/broke with convention by giving up their jobs and becoming self-sufficient.
他们离经叛道,放弃了工作,开始过自给自足的生活。