Emotion should never be a substitute for sound policy.

感情不能代替政策。

Some economists remain doubtful about whether it's a sound economic policy.

一些经济学家仍然怀疑这是否是一个合理的经济政策。

Most countries in Africa are following sound economic policies, controlling government deficits and keeping inflation in check.

非洲大部分国家都在遵循明智的经济发展政策，控制政府赤字，遏制通货膨胀。

How do we segregate the best options and consolidate our varying interests into a single, sound policy?

我们怎样才能分离出最佳选择，并且把我们各自不同的兴趣统一在同一个合理的政策当中呢？

It says this is part of a sound economic policy and an essential humanitarian response.

它说这是健全的经济政策和基本的人道主义反应的一部分。