According to Article 12 of the lease agreement, the tenant shall not change the purpose of the premises without the landlord's written consent.

根据租赁合同第十二条的规定，承租方在未经出租方书面同意的情况下不得擅自更改房屋用途。

同一单元的其他句子

• If the landlord fails to repair facility malfunctions that affect normal living within a reasonable period, the tenant is entitled to arrange repairs and deduct the cost from the rent.如果出租方未能在合理期限内修复影响正常居住的设施故障，承租方有权自行维修并从租金中扣除相应费用。
• Both parties agree to give 60 days' written notice before lease expiration regarding renewal or termination; failure to do so constitutes automatic renewal for one year.双方同意在租赁期满前60天书面通知对方是否续租或退租，逾期视为自动续租一年。
• The tenant shall take proper care of the premises and internal facilities, and shall bear corresponding liability for damages caused by intentional acts or gross negligence.承租方应妥善保管房屋及内部设施，因故意或重大过失造成损坏的应承担相应的赔偿责任。
• Given the risk of market fluctuations in the area's real estate market, we recommend that you fully understand local market trends before signing a long-term lease.鉴于该区域的房地产市场存在波动风险，建议您在签订长期租赁合同前充分了解当地的市场趋势。
• The property management company is responsible for maintaining common areas and security, but the responsibility for indoor facility repairs is shared between owner and tenant as stipulated in the contract.物业管理公司负责公共区域的维护和安保，但室内设施的维修责任由业主和租客按合同约定分担。