求翻译：第四章探讨了转租中次承租人的权益保护。首先分析了买卖不破租赁在转租中的适用，认为在房屋合法转租中可以适用买卖不破租赁。其次探讨了次承租人是否有优先购买权，认为合法转租中次承租人可以享有优先购买权，并且次承租人的优先购买权优先于承租人的优先购买权。最后，分析了转租中次承租人利益保护与出租人合同解除权的限制。是什么意思？

Chapter IV discusses the protection of the lessee's interest in the sublease of times. First analyzes the application of the trading does not break the lease in the sublease that trading does not break the lease can be applied to housing legal sublet. Secondly, to explore the sub-lessee whether pre-

Chapter 4 of the meeting explored the transfer of the lease the lessee's interest in protection. first analyzes the transfer of the lease sale in not breaking leases in the applicable legal transfer of the lease, and believe that the Housing Authority can be applied in trading are not broken lease.

Fourth chapter discussed has sublet the inferior tenant's rights and interests protection.First anal

Fourth chapter the subletting of tenant's rights protection. First analysis does not break the lease for sale in subletting, as applicable, that can be applied to the sale of not breaking in the House lawfully sublet lease. Second discussion on whether the lessee has a right of priority, considered