例句：
1、This custom is found in people of all races throughout the world.
這一習俗在全世界各種族中都有。
2、The custom dates back hundreds of years.
這一習俗可以追溯到幾百年前。
3、We've lost a lot of custom since prices went up.
自從價格上漲以來我們失去了很多生意。
4、It is the custom in that country for women to marry young.
女子早婚是那個國家的'風俗。
5、It was her custom to rise early.
早起是她的習慣。