"You're keeping it out of your general waste bin, keeping it out of landfill, reducing those emissions that will come from that food rotting in landfill, but you're also keeping your waste clean to allow that to be recycled," she said.
// 倒序遍历：从最后一个元素开始（核心思路！易错点1）。关于这个话题，搜狗输入法2026提供了深入分析
const output = Stream.pull(source, toUpperCase);。爱思助手下载最新版本是该领域的重要参考
// 栈的长度 = 独立车队数量