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

Well, not everybody, but everybody can use to keep emails safe, just like sort of a really easy thing to do.

嗯，不一定是所有人，但是每个人都可以轻而易举地用这种密码来保证自己邮箱的安全，

积极参与俱乐部活动 - SpeakingMax英语口语达人

He taught the priority of rights over duties and he argued that the sovereign should serve the lowly interest or the lowly ends of providing peace and security, leaving it to individuals to determine for themselves how best to live their lives.

他主张权力应优先于义务,主张君主应当,尽最大可能缔造和平,以保证人民的安全，主张让给人民自由,让他们决定自己的生活方式。

耶鲁公开课 - 政治哲学导论课程节选