习俗

例句：

1. 1. In many cultures, it is customary to give giftson special occasions.
   在许多文化中，在特殊场合送礼是习俗。
2. 2. The oldcustom of wearing hats indoors hasbeen abandoned in favor of more modern fashion.
   旧有的室内戴帽子的习俗已经被放弃，取而代之的是更现代的时尚。
3. 3.The family's traditional dinner table manners have changed over the years.
   这个家庭的传统餐桌礼仪已经随着时间发生了变化。