Structure is indeed an essential characteristic of an architecture.

事实上，结构是架构的基础属性。

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An essential characteristic is the possession of a reasonable amount of discretionary income.

中产阶级的一个基本特点是，拥有相当数量的可支配性收入。

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Making tradeoffs is therefore an essential aspect of the architecting process, and negotiation an essential characteristic of the architect.

因此，妥协和权衡就成为设计流程中的一个本质方面，谈判是架构师的一种基本特性。

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But they possess wisdom as an attribute, not as an essential characteristic.

然而拥有这些能力只是神的一种属性,而非必要的特征。

耶鲁公开课 - 旧约导论课程节选

Our political nature is our essential characteristic.

我的政治天性是我们的必备性格。

耶鲁公开课 - 政治哲学导论课程节选

An essential characteristic is the possession of a reasonable amount of discretionary income.

ECONOMIST: Burgeoning bourgeoisie | The

In doing so, they lost track of the most essential characteristic of a large-scale energy storage system: it must be cheap.

FORBES: Storage, Not Generation, is the Challenge to Renewable Energy

But the essential characteristic of mediocre people is that they are the last to recognize mediocrity, either in themselves or in others.

WSJ: Stephens: Hagel's Hruska Defense