Clients request will be routed to the web service proxy so that the message of service will be enforced to add message protection by security policy during the service transactioncall.
客户请求将被路由到该Web服务代理，这样安全策略将强制服务消息在服务事务调用期间添加消息保护。
2
Payments to the contractors, each of which probably requires its own transaction in the accounts, call for a certification of work completed and the payment made.
付款给承包方需要已完成工作和已付款的确认证明，每个承包方都需要在会计账务中反映自己的交易。
3
Each database call needs a new session and transaction.