I rent an office building, and I can't afford to pay the rent many times. How to legally return the office building?

According to Article 94 of People's Republic of China (PRC) Contract Law, if the purpose of the contract cannot be achieved due to force majeure, the parties may terminate the contract; Article 117 stipulates that if a contract cannot be performed due to force majeure, it shall be exempted from liability in part or in whole according to the influence of force majeure, unless otherwise stipulated by law. If the parties are unable to perform due to force majeure, they cannot be exempted from liability. Article 118 stipulates that if one party is unable to perform the contract due to force majeure, it shall notify the other party in time to reduce the possible losses to the other party, and shall provide proof within a reasonable time.

During the epidemic period, school opening and factory start-up could not be carried out as scheduled, but it promoted the development of Internet such as online education and online office. The development of online education has largely entered students' lives, and the shortest one will last for half a month, which also promotes the development of "online knowledge paid education".