Performance index
[计] 性能指标\\n[经] 业绩指标
🧩 词语组成解析
index
['ɪndɛks]
n. 索引;<数>指数;指示;标志;
vt. 给…编索引;把…编入索引;[经济学]按生活指数调整（工资、价格等）;
vi. [机械学]转位;
in(in)+dex(proclaim)→指针；索引；指数；食指；指标
🗣️ 情景例句
No, no, you were right. I was wrong.
确实不容易 说对了。我错了。
You are saying you turn on the computer and see nothing?
你的意思是你把计算机打开后什么也看不见？
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？