We're to be focusing on building alliances to develop secure energy supplies for the next 20 to 30 years.

我们应该集中精力发展联盟,保证能源供应安全,在今后的20到30年。

普林斯顿公开课 - 国际座谈会课程节选

Say the president said he wanted to focus on homeland security or immigration.

比如说总统说,他要集中处理国家安全或者移民问题。

普林斯顿公开课 - 国际座谈会课程节选