rú guǒ / fáng wū / méi yǒu / sǔn huài / fáng dōng / yīng gāi / zài / tuì zū / shí / tuì huán / àn jīn如果房屋没有损坏,房东应该在退租时退还按金。If the property has not been damaged, the landlord should return the deposit when the tenant moves out.