Each entity must have a unique entity key within an entity set.

实体集内的每个实体必须要有一个唯一的实体索引键。

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The entity key for the instance is unique within the entity set.

实例的实体键在该实体集中是唯一的。

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The properties that make up an entity key are chosen at design time.

构成实体键的属性是在设计时选择的。

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The ability to plan in advance for the orderly resolution of a systemic entity is key to ending Too Big To Fail.

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The current push for a unique global identifier for each legal entity was sparked by the financial crisis in 2008 when firms and regulators had a hard time tracing the transactions among key players such as Lehman, Bear Stearns, AIG and the portfolios of mortgage-backed securities.

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