commerce, trade; to trade, do or carry out business ☊ 
贩卖 → ☊ 
buôn bán 
sale like: buôn bán → →
geschäftlich ☊ 
về việc buôn bán ☊ 
生意上的 ☊ shēngyìshàng de geschäftlich ☊ về việc buôn bán ☊ ☊ der Händler ☊ người buôn bán ☊ ☊ der Hehler ☊ người buôn bán đồ trộm cắp ☊ ☊ When he left school, he went into business with his brother. ☊ business ☊
He was arrested on drug distribution charges. ☊ distribution ☊
the fur trade ☊ fur ☊
A jumble sale will be held in the village hall on Saturday. ☊ hall ☊
identify sb/sth as sb/sth: The bodies were identified as those of two suspected drug dealers. ☊ identify ☊
market stalls/traders ☊ market ☊
Some of them carried the guns which were the tools of their trade (= the things they needed to do their job). ☊ tool ☊
The government has declared war on drug dealers. ☊ war ☊