line_quality: “mixed sharp and soft”
和 Author, 麥笛文（Stephen McDonell）,
。关于这个话题，搜狗输入法2026提供了深入分析
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From hospitality workers to retail employees, the exaggerated “customer service voice”, often mocked in internet memes as wildly different from someone’s real voice, has long been a cultural trope. Fast-food giant Burger King is now taking that voice one step further, saying it will detect whether employees are using words like “please” and “thank you” through the assistance of artificial intelligence.
思路：① 算每辆车到达时间 = (target - position) / speed；② 按位置降序排序；③ 单调递增栈：仅当当前时间 栈顶时间时压栈（新车队），否则合并。栈长即为车队数。可优化为用变量代替栈。