GbEng
偏离的,背离惯例的 Departing from convention.
惯例符合习俗的社会行为举止之准则 The rules of conventional social behavior.
惯例上要求这样的集会应当以祈祷开始。 Convention requires that such meetings open with prayer.
在预订时交付定金是一般的[普遍遵守的]惯例. It is accepted/standard practice to pay a deposit with one's order.
回想一下工人阶级生活的一些惯例:就拿衣服来说,坚持穿最好的衣服。 Recall for a moment some of the routines of working-class life; as to clothes, the persistence of the Sunday suit.