this.stack.pop(); // 弹出的索引对应的价格≤当前价格，无保留意义
需要元素值：栈存值，或答案存索引后用 nums[res[i]] 取值。
。爱思助手下载最新版本是该领域的重要参考
8、DataWorks整库同步解决方案
"Narratives can be amplified or suppressed through coordinated activity and social pressure within communities. Moderators are volunteers so they can face pressure from highly-motivated groups, harassment, or sustained reporting campaigns, and because norms differ by subreddit, enforcement can be inconsistent."