【正文】
s a very important point of life and therefore there is often a big celebration. After that, a birthday celebration is held every ten years, that is the 70th, the 80th, etc, until the person’s death. Generally, the older the person is, the greater the celebration occasion is. It is often the grownup sons and daughters who celebrate their elderly parents’ birthdays to show their respect for them and express their thanks for all that they have done for their children.