tā / zài / liǎng / jiā / gōng / sī / zhī / jiān / yǐn / xiàn / chuān / zhēn / cù / chéng / le / zhè / cì / hé / zuò

他在两家公司之间引线穿针，促成了这次合作。

He acted as a go-between for the two companies and helped bring about this cooperation.