(1)未结账目；未清账户
账目未结清，留待双方进一步交易记账之后，在某一方认为方便时结清的账目。

(2)赊账

(3)条款未定之交易
如价格或付款时间未议定之交易。

• progress certificate
• progressive capacity
• progressive stage system
• progressive tax
• progressive taxation
• progress payments
• pro hac vice
• Prohibetur ne quis faciat in suo quod nocere possit alieno.
• prohibit
• prohibited articles warranty
• prohibited degree
• prohibited goods
• prohibitio de vasto, directa parti
• prohibition
• prohibition agent
• prohibition commissioner
• Prohibition del Roy
• prohibition director
• Prohibition of Books
• prohibitive
• prohibitive impediments
• prohibitive license
• prohibitory injunction
• prohibitory writ
• pro ignorantia literarum