Most of the former are manifestly unscrupulous adventurers who try to utilize the public necessity and unhappiness for their own advancement.

冒险家，他们试图利用公众的需要和不幸，谋求自己的发迹。

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And, of course, it helps to avoid the necessity of accomplishing the same functionality using public fields.

当然，它还能够帮助避免使用公共字段实现相同功能的必要性。

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Think of public responses and visible explanations as a last case scenario, and use these tools and tactics to ensure that you're never put in a position where it's a necessity.

把公众反应和可见的解释看做最后的局面，并使用这些工具和策略来确保你永远不会处于一个必要的境地。

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The airlines are a public necessity that is vital to both the national security and commercial success of our country.

FORBES: Protect Your Wallet: Regulate The Airlines

Thus, as the Court announced the dawn of corporate criminal liability in Americawith an embrace of tort law, it simultaneously signaled to generations of prosecutors that arguments of necessity and public policy would, in the realm of corporate crime at least, carry great sway.

CENTERFORSECURITYPOLICY: Shariah��s Black Box

Every breach of the public engagements, whether from choice or necessity, is in different degrees hurtful to public credit.

FORBES: Don't Raise the Debt Ceiling, Raze It