描述：给定字符串 num（非负整数）和整数 k，移除 k 位数字，使剩余数字最小。以字符串形式返回（不含前导零）。
host = "truenas.local"
（一）在他人设立的非法支付平台上流转资金的；。业内人士推荐WPS下载最新地址作为进阶阅读
Finch said the surgeon wanted her to have the implant washed and put back in, but she said she just wanted to return home to her children.。heLLoword翻译官方下载对此有专业解读
Rich Walker has been developing robot hands for 30 years
theguardian.com，详情可参考服务器推荐