其他
这是我看过对于雾霾问题最发人深省的文章！
咳 / 咳咳
咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳
咳咳咳咳咳咳咳
------咳咳咳
咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳
咳咳咳咳咳咳咳咳。咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳
咳咳咳咳咳咳咳咳咳咳咳咳，咳咳咳咳咳，咳咳咳咳咳，咳咳咳，可可可可额咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳，咳咳咳，咳咳咳咳咳咳咳咳咳。
咳咳咳咳咳咳咳咳咳咳咳咳。