exclusive or

be indispensable to...

对……而言是不可或缺的

His support is vital for our project.

他的支援对我们的计划是不可或缺的。

Trust is the essence of a good relationship.

信任乃良好的关系所不可或缺的东西。

To see this clearly, a magnifying glass is essential.

要看清楚,放大镜是不可或缺的。

Fertile soil is indispensable for agriculture.

肥沃土壤对农业而言是不可或缺的。

that it is often made the essence of a contract.

因此它通常是合约上不可或缺的条件。

Money is essential for living in today's society.

生活在现代社会中，金钱是不可或缺的。

Religion is the breath of life to/for her.

宗教是她不可或缺的精神支柱.

Artistic Auality: An Indispensable Element for Leadership;

艺术素养：领导能力中不可或缺的元素

Discussion on Indispensable Code-Mixing Phenomenon in Modern Society;

论当今社会不可或缺的语码混用现象

Soft Law Should not be a Corner Forgotten by Public Administration;

软法:公共治理不可或缺的制度之维

Mass Education:An Indispensable Factor for Collectivism Education;

群育:集体主义教育不可或缺的因素

Irrational Education:The Indispensable Part of Modern Education;

非理性教育:当代教育不可或缺的部分

Procedure: an Essential Movement Rule in the Universe;

程序:宇宙间一项不可或缺的运动守则

Private Finance: Indispensable in Financial System;

民间金融:金融体系中不可或缺的部分

The Metaphysical Dimension-- An indispensable dimension of ethics;

形上之维——一个伦理学不可或缺的维度

Career Education:A Field Indispens able to the Elementary Education;

生涯教育:基础教育不可或缺的领域

Environmental Business is an Indispensable Factor for the Development of Enterprises;

环境经营是企业发展不可或缺的要素