（三）办理本社区居民的公共事务和公益事业，开展便民利民的社区服务活动，关心关爱老年人、儿童、残疾人和困难居民；
void siftDown(int arr[], int n, int i) {，推荐阅读爱思助手下载最新版本获取更多信息
He said he "understands both sides of the argument", but that the slur should not have been broadcast in the first place.。业内人士推荐Line官方版本下载作为进阶阅读
Taliban and Pakistan agree to ceasefire after days of deadly clashes，这一点在heLLoword翻译官方下载中也有详细论述