The possible reasons may be the different issue policy and the limitation of the premises.

本文认为这样的结果可能是由于发行政策变化或前提假设的限制所致。

youdao

The government's plans run counter to agreed European policy on this issue.

政府的计划违反了有关这个问题已协商好的欧洲政策。

《牛津词典》

He argued that the issue had become moot since the board had changed its policy.

他争辩说这项议题已变得毫无实际意义，因为董事会已经改变了政策。

《牛津词典》

Secretary of State Hay quickly announced America's policy on the issue.

VOA: special.2010.07.29

What was the biggest domestic policy issue you help President Bush solve?

您帮布什总统解决的,最大的国内政策问题是什么？

普林斯顿公开课 - 国际座谈会课程节选

And the toughest foreign policy issue?

那最困难的外交政策问题呢？

普林斯顿公开课 - 国际座谈会课程节选

Until he makes peace with the facts, Romney will be stuck at the intersection of what is both a character issue and a policy issue.

CNN: Mitt Romney vs. stubborn facts

Insurance companies could refuse to issue a policy outright or price the policy prohibitively high once your genetic condition took hold.

FORBES: How Obamacare Will Impact Americans With Disabilities

The Fed's interest rate-setting committee will begin a two-day meeting Tuesday and will issue a policy statement once its meeting ends Wednesday afternoon.

NPR: Fed Likely To Stick With Low-Rate Stance This Week