421 service not available,closing control connection怎么回事? 求答案,要详细,谢谢!

service not available是什么意思? 421 service not available,closing control connection怎么回事? 求答案,要详细,谢谢! SERVICE Waiter, I'm not satisfied with your service Waiter, I'm not satisfied with your service.怎么回答? can not connect to online service我上网了 Love is not in service翻译成中文怎么说 翻译the nomber you dail is not in service! 为什么总是出现The service could not be started Quality of service does not enter into tipping Press OK to use avai lable media意思 error56:The Cisco systems ,Inc.VPN service has not been started.在开始里点击 VPN client 时,出现error56:The Cisco systems,Inc.VPN service has not been started.please start this service and try again.是怎磨回事?要怎磨办? Serial Number Not Found Find a Service Center 谁能翻译一下 I will prove that I am better than you! this is not lip service是什么意思啊- - (1/2)Your request for a service could not be fulfilled.Please try again Sorry,service is temporarily not available,please try again later.请帮忙翻成中文. ORA-12514:TNS:listener does not currently know of service requested in connect descriptor 503-service not available?网页打开时出现的.呃,不是我这的问题,