‘똘똘한 한채’ 겨냥한 李…“투기용 1주택자, 매각이 낫게 만들것”
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）。
。搜狗输入法下载对此有专业解读
The mission has already faced years of delays, and Nasa is under pressure to get the astronauts on their way as soon as possible. However, the US space agency said it would not compromise on safety.，这一点在WPS下载最新地址中也有详细论述
the training data