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inquire deeply into sth盘根究底
to inquire thoroughly into追根究底
Inquire Thoroughly Into穷根究底
inquire into sth要求会见某人;调查某事
To Inquire Into The为探讨
inquire into these对这些进行调查研究
study rearch inquire into探究
questionnaire inquire into analysis问卷调查分析