custom and practice

例句：

1. 1. The custom of wearing a tie is gradually disappearing.
   戴领带的习惯正在逐渐消失。
2. 2. This restaurant has a unique custom of serving breakfast at noon.
   这家餐厅有独特的习惯，中午提供早餐。
3. 3.The custom of giving gifts on holidays is still prevalent in many families.
   节日送礼的习惯在许多家庭中仍然盛行。