spurious "dispense cash" commands. To prevent this problem, and assuage the
// Pipe a fast source through the transform to a slow sink
，推荐阅读safew官方版本下载获取更多信息
// 易错点6：返回整个数组（如this.res）→ 不符合题目要求，题目要求返回单个数值
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Account for AI in the environmental footprint of scientific publishing