It was an objectlesson in how to use television as a means of persuasion.
这是利用电视作为劝导方式的一个实例。
《柯林斯英汉双解大词典》
2
THE story of Nokia's transformation from an obscure Finnish conglomerate into the world's largest maker of mobile phones is an objectlesson in the virtue of specialisation.
从一个默默无闻的芬兰公司转变成世界最大的手机制造商,诺基亚的故事是关于专业化功效的一堂标准课程。
3
Greece has become an objectlesson for countries with overgrown deficits.