主题, 题目
the subject of a talk, a piece of writing, a person's thoughts, or an exhibition; a topic
示例:• The main theme of the novel is love and loss.小说的主要主题是爱与失落。• The conference's theme this year is sustainable development.今年会议的主题是可持续发展。同义词:topicsubjectmotifleitmotifidea