HSK 7-9
合资
hézī动
joint venture
市政府与大学合资建实验室。
Shì zhèng fǔ yǔ dà xué hé zī jiàn shí yàn shì.
The city government and the university jointly funded a laboratory.
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Appears across levels (7-9) in the HSK 3.0 word list.