參考答案:

Depending on the family habits，birthdays can be celebrated in a variety of ways. Most Chinese these days celebrate the birthday on the Western calendar, but some，especially the older generation，still mark their birthdays based on the lunar calendar.The grandest birthday celebration is in the sixtieth year. It is not uncommon at this celebration to give symbols of longevity，like miniature old trees showing the strength built over the passage of time. After this special celebration，a birthday celebration is held every ten years. It is the grown children of the elderly who celebrate their parents'birthdays to show deep respect and gratitude for them.

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