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）。
Unfortunately, Lenovo isn't planning on turning this concept into a true retail device. But even so, I hope the company will at least consider bringing some of the modular laptop's features like its hot swappable ports to future products.
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sa_nl.nl_family = AF_NETLINK;。体育直播对此有专业解读
He said Ukraine's partners had been reaching out and there had been "requests from the American side". The Pentagon declined to comment.