Legislative changes are another uncertainty.

法规变化是另外一个不确定因素。

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Even his dissents were widely quoted, and some prompted legislative changes.

甚至他那些异议也被广泛引用，而且有的还促成了法律上的修改。

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Wherever necessary, we will consider appropriate legislative changes to strengthen the regulatory framework.

有需要时，我们会考虑修改法例，加强有关的监管。

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Teachers also warn the hangover from these legislative changes will have consequences in the fall.

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But that is the thing we need to know before we make any legislative changes.

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To be effective, the negotiations have to agree to legislative changes in and sunsets of some spending programs.

WSJ: Robert B. Zoellick: Obama's Historic Budget Opportunity