conditional bill造句

It is clear from the definitions above that the bills of sale are essentially of two types : The absolute bill of sale and the conditional bill of sale.
An example of a conditional bill of sale can be found where a creditor gives a loan and has transferred to himself, as collateral or security for the loan, the title of the goods or other personal property of the debtor.
It's difficult to find conditional bill in a sentence. 用conditional bill造句挺难的