差次，拼音chà cì，汉语词汇，意思是分别等级次序。
差次表达 differential expression
误差次数 frequency of error
偏差次文化 deviant subculture
基因的差次表达 gene differential expression
邮差总按两次铃 The Postman Always Rings Twice
复合三次差拍 CTB ; composite triple beat
首次征收差饷通知书 first demand for rates
逐次差分 successive difference
残差个案次序图 polyconf ; rcoplot
一次差 [天] first difference
我知道，如果我第一次做到最好，我就不会和别人差这么多。
I got to know that if I had done my best for the first time I did it, I wouldn't have so many differences.
她指出，许多年轻人尤其不愿意在学校冒险，担心一次考试的分数低或成绩差会让他们失去进入名牌大学的机会。
She noted, many young people are especially risk averse at school—afraid that one low test score or mediocre grade could cost them a spot at a selective university.
替换一次差的雇佣，成本远远超过一次性就雇佣优秀人才所多出的边缘成本。
The cost of replacing a bad hire far exceeds the marginal additional cost of hiring the best person in the first place.
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