未租出的 unbusy

未来租赁付款 future lease payment

应收未收租赁付款 uncollectible lease payments receivable

未经认可租户 unauthorized tenant

货港未定的租船合同 open charter

货港未定租船合同 Open Charter ; O/C

未批租官地 unleased Crown land

未付租金 caidos

逾期未收租赁款 Lease payment receivables past due

未出租的 unlet