他做了大量市场调研。
Tā zuò le dàliàng shìchǎng diàoyán.
English
He did a lot of market research.
to investigate and research
to investigate and research; research; investigation
Every character draws itself stroke by stroke, then hands you the brush to trace it yourself.
Nice writing!
他做了大量市场调研。
Tā zuò le dàliàng shìchǎng diàoyán.
He did a lot of market research.
这次调研用了三个月。
Zhè cì diàoyán yòng le sān gè yuè.
This research took three months.
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.