| 单词 | secondarydata |
| 释义 | secondary data noun [uncountable] (marketing 营销) information that was originally collected for a particular purpose and is then also used for another purpose or project 二手资料◆secondary data such as the results of public opinion polls and surveys are widely available on the internet. 民意测验结果等二手资料在互联网上可以广泛获取。 ➡ primary data |
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