MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

交易	jiāo yì	to deal; to trade; to transact / transaction; deal / CL:笔
事务	shì wù	(political, economic etc) affairs / work / transaction (as in a computer database)
开张	kāi zhāng	to open a business / first transaction of a business day
买卖	mǎi mai	purchase and sale; transaction / shop; store
单据	dān jù	receipts / invoices / transaction records
赊销	shē xiāo	credit transaction / to sell on account
开市	kāi shì	(of a store, stock market etc) to open for trading / to make the first transaction of the day
找零	zhǎo líng	to give change (after a cash transaction) / the change (money) given back
凭条	píng tiáo	paper docket confirming a transaction
赊欠	shē qiàn	to offer credit / credit transaction / to buy or sell on account
一手交钱，一手交货	yī shǒu jiāo qián , yī shǒu jiāo huò	lit. one hand exchanges the cash, the other the goods (idiom) / fig. to pay for what you want in cash / simple and direct transaction
见证人	jiàn zhèng rén	eyewitness (to an incident) / witness (to a legal transaction)