“租契”用英语怎么说？

他们在伦敦公寓的租契再过几个月就期满了.The lease on their London flat runs out in a few months.精明的租户对租契上的每个细小之处都要讲究.An astute tenant always reads the small print in a lease.他们放弃了租契.They're abandoning the lease....