The central business district is an indispensable part of a modern city.(中心商务区是现代城市不可或缺的一部分。)
She made herself indispensable to the department.(她成为这个部门不可缺少的一分子。)
The quality of independence is so indispensable for us that parents had better act as a tutor, not a director.(独立的品质对我们来说是如此的不可或缺，父母最好是一个导师，而不是一个指导者。)
Refactoring is indispensable for agile teams.(重构是敏捷团队不可或缺的。)
Idleness is not just a vacation, an indulgence or a vice; it is as indispensable to the brain as Vitamin D is to the body.(懒惰不仅仅是度假、放纵或恶习；它对于大脑就像维生素D对身体一样不可或缺。)
Air and water are indispensable to life.(空气和水是生命所必需的东西。)
Cars have become an indispensable part of our lives.(汽车已成了我们生活中必不可少的一部分。)
Senior developers are indispensable to the architect.(对架构师而言，资深开发人员不可或缺。)
It's indispensable.(这是必不可少的。)
Both fresh air and clean food are indispensable to us.(新鲜空气和干净的食物两者对我们是不可缺少的。)
