在 Tbox 选择「文档 / 文章 / PPT」模式，用 Ling 把结果整理成可交付文档（负责“写清楚、排结构、可分享”）
习题链接：LeetCode 402. 移掉 K 位数字
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The UK government is under a legal obligation to reduce carbon emissions to net zero by 2050, after a law change passed in 2019 with cross-party support.
It's been the case for Dhruv Amin and Marcus Lowe, the co-founders and co-CEOs of Anything, a startup focused on "vibe coding", which allows anyone to create an app without knowing how to code.