custom 
英 [ˈkʌstəm]  美 [ˈkʌstəm] 
n. 风俗；习惯；经常光顾；（经常性的）顾客；海关

adj. 定制的

例句：
My wife likes all the old English customs. 

我的妻子喜欢英国所有的古老习俗。

The custom of lighting the Olympic flame goes back centuries. 

奥运会点火炬的传统可以追溯到数个世纪以前。

Chung has tried to adapt to local customs. 

钟已经努力去适应当地的风俗习惯。

Custom dictates that the bride should live with her in-laws after the marriage. 

社会习俗要求新娘婚后和公婆同住。

As was the custom, we sent invitations to everyone. 

按照习俗，我们给每个人送了请帖。