Rules governing product behavior, terms, or conditions often change based on market needs and should be externalized for flexibility.

与产品行为、条款或条件相关的规则常常会随市场的需要变化，应该保存在外部，从而提高灵活性。

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Every investor, whether a novice or very experienced, will be able to win on the stock market with these rules.

每一个投资者，无论是初学者还是经验丰富者，都可以在股票市场中通过这些准则或得胜利。

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And only investors can put tombs on the market, because tombs can only be bought with a death or cremation certification according to cemetery administration rules.

只有投资商能把陵墓放到市场上，因为根据墓园管理条例，只有有死亡或火化证明才能购买坟墓。

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Cox has the authority to override the Financial Accounting Standards Board's insane insistence on mark-to-market accounting rules, but he has done nothing.

FORBES: Mini-Depression of 2008

To work our way out of the current morass, it will be necessary to relax the mark-to-market rules for banks on valuing the assets that need to be taken off of their balance sheets.

FORBES: The Croesus Chronicles

This is chiefly linked to rigid labour-market rules and payroll charges on employers, which between them keep labour costs high and deter job creation.

ECONOMIST: French reform