dealer

merchant, businessman, trader, tradesman, dealer

这些名词均有“商人”之意。
merchant: 指从事批发生意的大商人，尤指从事国际贸易的大商人，但在美国或苏格兰等地，也指一般商人。
businessman: 指有经验、善于经营、从事各种买卖活动的买卖人、实业家或工商业家。
trader: 指从事贸易工作的人，也指贩子。
tradesman: 指零卖商人，开小店的商人。
dealer: 指商人时多与表商店的字连用。

名词 dealer:

1. someone who purchases and maintains an inventory of goods to be sold
   同义词：trader, bargainer, monger
2. a firm engaged in trading
3. a seller of illicit goods
4. the major party to a financial transaction at a stock exchange; buys and sells for his own account
   同义词：principal
5. the person who distributes the playing cards in a card game

1. She's now firmly established (in business) as an art dealer.
   她已稳固地奠定了艺术品商的地位。
2. Let's cut for dealer.
   咱们切牌决定由谁发牌吧。
3. The dealer was slavering over some precious stones.
   那商人对一些宝石垂涎欲滴。
4. He bought a used car from a car dealer.
   他从汽车商那里买了一辆旧汽车。