| 单词 | quota sample |
| 释义 | quota sample From Longman Business Dictionaryquota sampleˈquota ˌsampleMARKETING when a market is divided into different groups by age, sex, area etc, and a sample is then taken from each group, to reflect what percentage of each group is in the total marketThe quota sample can avoid the kind of gross errors made by attitude surveys in the past. → sample |
| 随便看 |
英语词典包含170365条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。