VOICE

摘要：

Setting off firecrackers is meant to ward off evil spirits and bring good luck.It is an important custom during the Spring Festival in China.But in the past Spring Festival,many Chinese didn”t buy firecrackers,owing to growing worries about air quality.

机标关键词：air quality

在线出版日期：2014-06-13（万方平台首次上网日期，不代表论文的发表时间）

页数：共1页

页码：30