Ministers should be willing to answer questions on matters of genuine public interest. 部长们应该愿意就有关公众切身利益的问题进行解答。

in the public interest Companies have to show that they are acting in the public interest. 公司应该向大家表明他们所做的事情对公众有益。

Several concerts were cancelled because of a lack of public interest. 几场音乐会由于公众缺乏兴趣而被取消了。