Performance levels
[经] 业绩水准
🧩 词语组成解析
n. 色阶调整；控制色阶；水平, 标准（level复数形式）
🗣️ 情景例句
that I wasn't sure.
我说我不能确定。
Can anybody scratch my back for me?
有人来替我搔背吗？
Good, we'll pack up the order as soon as we get the not.
好，我们一收到会立刻打包。