be indispensable for

An intelligent computer will be an indispensable diagnostic tool for doctors.(智能计算机将成为医生不可或缺的诊断工具。)

For the advertisers, AD is indispensable. But in AD audience 'position, the view may be different.(对于广告主来说，广告似乎是不可缺少的，然而，站在受众的立场去看待广告，情况也许就不一样了。)

Language and context are inextricably bound up with each other. People's language activity cannot be detached from its context and context is indispensable for understanding of words.(语言和语境密不可分，语言总是在一定的环境中产生，对语言意义的理解不能脱离语境。)

It is extremely important for all to be self-confident as it is the indispensable condition to their success.(自信对所有人都是相当重要的，因为对于人们的成功它是不可缺少的条件。)

The rubber spatula, which can be bought almost anywhere, is indispensable for scraping sauces out of bowls and pans, for stirring, folding, creaming, and smearing.(但是橡皮铲哪都买得到，不管是要从锅碗里刮出酱汁，还是搅拌，卷东西，做奶油泡或是涂涂抹抹，都少不了这件法宝。)

It offers state-of-the-art system monitoring functionality which cannot be found in any other software. It's an indispensable tool for system administrators, developers and support engineers.(它提供了国家的最先进的系统监控功能，无法找到任何其他软件。这是一个不可缺少的工具，为系统管理员，开发人员和技术支持工程师。)

Various mews media can be an indispensable source of information for the vast majority of people.(各种新闻传媒可以是大多数人获得信息的不可缺少的源泉。)

Intelligent computers will soon be an indispensable diagnostic tool for every doctor.(智能计算机很快将会成为每位医生必不可少的诊断工具。)

Computer will be the indispensable design tool for architects, just as the traditional pen and paper.(计算机同传统的笔、纸一样，将成为建筑师必不可少的设计工具。)

What he believed still seems to me to be indispensable for carrying on an intelligent and responsible life.(在我看来，苏格拉底的信仰在明智而负责的生活中始终不可或缺。)