Generally, past expenditures represent sunk costs that cannot be altered in the future and may or may not be relevant in the future.

通常把从前已经产生且在未来无法再转变的支出称为“淹没成本”。

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Therefore, we cannot guarantee that information may not be accessed, disclosed, altered, or destroyed by breach of any of our physical, technical, or managerial safeguards.

因此，我们不能保证这些信息不可能被以违反我们的物理、技术或管理类安全措施的方式访问、披露、更改或破坏。

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Minerals, vitamins, and nutrients of all microwaved food is reduced or altered so that the human body gets little or no benefit, or the human body absorbs altered compounds that cannot be broken down.

矿物质、维生素和所有微波食物的营养素会降低或改变，这样人们只能摄入较少甚至没有有益物质，或者人体吸收被转化不能新陈代谢的成分。

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But the worst drawback for South African business is its scarcity of skills, something that cannot be altered fast.

ECONOMIST: South Africa

If we assume other people hold rigid beliefs that cannot be altered, we give up on their ever being part of our family or community.

FORBES: Win By Letting Your Enemy Win