Dung co nghe may dong chi ay noi ma, nam nao cung ban chong tham nhung, ban gan 20 may nam roi, ban de dong chi nao tham nhung nhieu chia bot cho cac dong chi moi len nam chuc vu ay ma, may dong chi ay chi biet chong lai nhung nguoi dan khong biet tham nhung thoi chu may dong chi do ma chong tham nhung gi