Outsourcing also commonly are one of the organization provide sources or service for another organization, involving an agreement to exchangepayment or other services.
外包通常也是组织为另一个组织提供资源或服务的组织之一，涉及交换支付或其他服务的协议。
2
Bills of exchange and checks are accepted only on the basis of an express agreement in writing and only on behalf of payment.