查看我的解决方法

Holidays in the U.S.
Every month of the year has something special to celebrate in the U.S. Throughout the years, the U.S.Congress has passed laws declaring special days as official observances known as federal holidays. Each federal holiday represents a day when federal employees and many other workers have a paid day off from their jobs. There are some holidays we celebrate that are not federal holidays but are very popular holidays to celebrate...