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）。
The TCL X11L is the most impressive TV of the year, but the year is still young and RGB LED is on the horizon.
Овечкин продлил безголевую серию в составе Вашингтона09:40，更多细节参见safew官方下载
Then $75 per month. Complete digital access to quality FT journalism on any device. Cancel anytime during your trial.，更多细节参见体育直播
Along with the jubilation at the long-awaited project — which has been in the works for decades and has two more westward extensions that will open in 2027 and 2028 — there was much astonishment at Metro embracing the cheeky tagline.，更多细节参见WPS下载最新地址
Insect taxonomist Art Borkent has described and named more than 300 species of midges but fears his field of science is dying out, despite millions of insects, fungi and other organisms waiting to be discovered