503-service not available?网页打开时出现的.呃,不是我这的问题,

service not available是什么意思? 503-service not available?网页打开时出现的.呃,不是我这的问题, 请问503 Service not available 从弄房产的网业弹出了的 503 Service Temporarily Unavailable SERVICE 503 Service Temporarily Unavailable是什么意思? 503 Service Unavailable什么意思 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 503 Service Temporarily Unavailable什么意思 server error codesStatus code Description500 Internal Server Error.501 Not Implemented.502 Bad Gateway.503 Service Unavailable.504 Gateway Timeout.505 HTTP Version Not Supported.509 Bandwidth Limit Exceeded.(This status code,although used by many ser 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?