假设你叫李华。你的表哥王平在美国留学，今年春节没有回国。他在给你的邮件中提到他非常想家，想了解你们过春节的情况。请根据以下提示用英语给他写一封回信：
1．节俭过春节，做到“光盘”用餐；
2．减少燃放鞭炮，清洁空气；
3．希望介绍国外过春节的情况。
注意：1．词数120—150。
2．可适当增加细节，以使行文连贯。
参考词汇：节俭的：frugal；放鞭炮：set off firecrackers。
Dear cousin，
I'm glad to hear from you．___________________________________________________
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Yours,
Li Hua