假定你是李华，你的美国朋友Jack今年第一次在唐人街体验了一把春节，并对中国春节的习俗产生了浓厚的兴趣，因此特写信来向你咨询相关信息。请你给他写一封回信进行介绍。
注意：
1.词数100左右；
2.可适当增加细节，以使行文连贯；
3. 开头和结尾已给出，不计入总词数。
参考词汇：stick New Year couplets(贴春联)；the lunar calendar(农历)；firecrackers(鞭炮)
Dear Jack,
Glad to receive you letter.
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Yours,
Li Hua
