例句與造句

1. The PERMIS policy is eXtensible Markup Language ( XML )-based and has rules for user-role assignments and role-privilege assignments, the latter containing optional obligations that are returned to the application when a user is granted access to a resource.
2. Moreover, the phrase ` salaries, office and other administrative expenses'clearly limits this essentially optional obligation of the two states to a very narrow category of expenses and thus also evidences an intent to insulate the states'treasuries from the vast bulk of the Port Authority's operating and capital expenses, including personal injury judgments ."
3. It's difficult to find optional obligation in a sentence. 用optional obligation造句挺難的