(1)商人；坐商；零售商
为卖出而买进，而非为占有而买进，亦非生产而卖出的人。多指有固定柜台进行销售，而非游走叫卖的人。

(2)交易人；证券经纪人
为自己利益从事证券买卖的人，但不包括银行，也不指那些在其正常营业之外买卖证券的人。

• commissaire
• commissaires du gouvernement
• commissaires-priseurs
• commissaria lex
• commissariat
• commissari lex
• commissary
• commissary court
• commission
• commission agent／C.A.
• commission and diligence
• commission broker
• commission day
• commission del credere
• commission de lunatico inquirendo
• commissioned officer
• commissioner
• commissioner for oaths
• Commissioner of bail
• commissioner of banks
• Commissioner of City of London Police
• commissioner of court
• Commissioner of Internal Revenue
• commissioner of jury
• Commissioner of Patents