新政策旨在缩小贫富差距。

The new policy aims to ___narrow the wealth gap.

国际合作是缩小国家间发展差距的关键。

International cooperation is key to ___narrow the development gap between nations.

为了提高效率，我们需要把重点缩小到核心问题上。

To improve efficiency, we need to ___narrow our focus to the core issues.