特定用例中组件的预期状态(或属性)。
The expected state (or properties) of the components in a particular use case.
它们也不可能因为异常的发生而处于一种未知的或是无法预期的状态中。
They can also never exist in unknown or undesirable state because of an exception.
它们也不可能因为异常的发生而处于一种未知的或是无法预期的状态中。
They can also never exist in unknown or undesirable state because of an exception.
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