Having policy syntax is not enough: You also need to have a mechanism to assert the validity of the policy and to evaluate the policy.

光有策略语法是不够的：还需要通过一种机制判断策略的有效性并演算策略。

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The invalid terms will not affect the validity of this policy.

无效的条款不影响本政策的有效性。

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The validity of stock market policy is not only affected by its scientific implementation, but also affected by the macroeconomic policy .

股市政策的有效性除受政策本身是否科学、是否得到正确实施等因素的影响外，还受宏观经济政策的影响。

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"There's definitely some truth and validity in these charges...of different standards, " says Peter Chowla, policy officer at the Bretton Woods Project, an NGO that monitors the IMF and the World Bank.

BBC: Time to reform the IMF?