Negative variance
[经] 负差异
🧩 词语组成解析
negative
['nɛɡətɪv]
adj. 消极的，否认的;[数]负的;[心]反抗性的;无预期结果的;
n. 否定词语;否定的观点;消极性;[摄]底片;
vt. 否定;拒绝;
negat否认+ive形容词后缀 → 否认的；n. 底片
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
Every day he does the same thing. Why doesn't he use the lift for the last three floors?
每天他都这样度过。为什么上最后3层楼他不用电梯呢？