file reservation造句

Argentina, Nicaragua and the Vatican filed reservations.
But once China signs, it could be years before it ratifies the treaty and Chinese officials have said they will file reservations for any sections that are inconsistent with Chinese law.
China has not said when it will sign and ratify the accord on civil and political rights, and has said it will file reservations in areas where the covenant is inconsistent with Chinese law.
It's difficult to find file reservation in a sentence. 用file reservation造句挺难的