Cusum
abbr. 累积和；累积和控制图（cumulative sum）
🗣️ 情景例句
A list of these items and a volunteer form
这些物品的清单和义工申请表格
What we learn with pleasure we never forget.
乐意学的东西决不会忘记。
Even he still lives under the illusion that country life is somehow superior to town life.
即使他也仍存有幻觉，好像乡村生活就是比城市生活优越。