珍惜时间

珍惜时间
Time flies. 光阴似箭,时光易逝
.Time is money. 时间就是金钱.一寸光阴一寸金.
Time is money. 时间就是金钱.一寸光阴一寸金.
Time marches on.时光永不回头.
The morning sun never lasts a day.好景不常在.
Christmas comes but once a year.圣诞一年只一度