The defenses had to do with necessity, their dire circumstance, and, implicitly at least, the idea that numbers matter.

有人说他们在那样的处境下，不得已而为之，并且暗含了“人数重要“的理念。

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He separated from her because of dire necessity.

而他又在流亡中与妻子走散

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That's how dire the environment has become.

环境现在变得如此恶劣

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