the indispensable element

Auditing judgment standard is the indispensable element in the auditing judgment. Therefore we should make a deep study of the auditing judgment standard.

审计判断标准是形成审计判断不可或缺的要素，因此，应对审计判断的标准进行深入探讨。

Such is not only the indispensable element of success for masters of all ages, but it is also the reason why more and more lovers of art and collectors are confident in Mr. Liu's art.

这不仅是历代艺术大师必具成功因素，亦是近年来，有越来越多艺术爱好者和收藏家对刘懋善投上信心一票的主要原因。

Direct simulation of a process of interest, rather than the integration of a set of underlying evolution equations, is an indispensable element in the study of complex systems.

直接模拟复杂有趣的过程，而不是计算一套枯燥的演化公式，这是如今复杂系统研究中必不可少的要素。