必不可少

Dream is the necessary psychal power in the common life.

理想在生活中是一种必不可少精神动力。

A good sleeping bag is an essential part of every campers equipment.

一个完好睡袋是每个露宿者必不可少装备。

This is an indispensable part of his creed.

这是他信条中必不可少一部分。

Many people believe that grammar is the sine qua non of language learning.

许多人认为学习语法在学习语言中是必不可少。

Water is a necessity of life.

水是生命必不可少。

There are certain things that are absolutely basic to the maintenance of a good relationship.

保持良好关系, 有些条件是必不可少。

For a successful class humour is indispensable.

在课堂上取得成功, 幽默是必不可少。

This is an indispensable book.

这是一本必不可少书。

The employer would provide lodgeable accommodation and other necessary facilities for the Second Party in manner of collectively.

雇主向乙方统一提供适宜居住住宿和必不可少设施。

Control of the two main plantain diseases, yellow sigatoka (Micosphaerella musicola) and black sigatoka (Micosphaerella fijiensis), is indispensable.

对两种主黄香蕉叶斑和黑香蕉叶斑进行控制是必不可少。

In design I find the values of ergonomy, ecology, economy, ethics and esthetics equally important – they are all complementary parts in a successful design project.

在设计创作中，我发现功能分化、生态、经济、道德和审美同等重价值观—它们都是一个成功地设计项目必不可少组成部分。