HSK 5 · verb · Practice
调研
to investigate and research; survey
他们去农村做了调研。
Tāmen qù nóngcūn zuòle diàoyán.
They went to the countryside to do field research.
HSK 5 · verb · Practice
to investigate and research; survey
他们去农村做了调研。
Tāmen qù nóngcūn zuòle diàoyán.
They went to the countryside to do field research.