作者ing

http://udn.com/news/story/8018/1620999-%E5%A4%A7%E7%94%B2%E5%AA%BD%E9%81%B6%E5%A2%83-PM2.5%E6%9C%80%E9%AB%98%E7%B4%AB%E7%88%8620%E5%80%8D
如果不放鞭炮可行嗎