directory assistance service

常見例句

Likewise for rating stories on Digg, voting on Yahoo Answers, or using Google's 411 service (see "How Can Directory Assistance Be Free?").
同樣，通過(guò)在Digg或雅虎問(wèn)答上的投票，或使用Google的411服務(wù)（參見“查號(hào)臺(tái)服務(wù)為何能免費(fèi)？”），也都是如此。
blog.sina.com.cn
This Recommendation gives an overview of methods and general principles to be followed in organizing an International Telephone Directory Assistance Service.
本建議對(duì)組織國(guó)際電話查號(hào)業(yè)務(wù)所遵循的方法和一般原則提出一個(gè)總的看法。
www.ptsn.net.cn
The service also offers free conference calling and directory assistance, perks that normally tack on extra dollars to the average phone bill.
語(yǔ)音服務(wù)還提供免費(fèi)的會(huì)議呼叫、通訊錄助理等功能，這些功能相當(dāng)于在一般水平的電話賬單基礎(chǔ)上提供了額外的補(bǔ)貼。