Unless otherwise agreed each picture may be held by the client rental free until its date for return and thereafter the client shall be liable to a rental fee per picture per week or part thereof pending its return 除非另有协议，否则客户可持有图片至归还日期，毋须缴付使用费在归还日期之后，客户须缴付按每星期计算的使用费或其任何部分，直至归还为止。
