data mining
noun [ U ] computing specialized uk/ˈdeɪ.tə ˌmaɪ.nɪŋ/ us/ˈdeɪ.t̬ə ˌmaɪ.nɪŋ/
数据挖掘
the process of using special software to look at large amounts of computer data in order to find out useful information, for example what types of product a company's customers buy