我们称之为“乐趣理论”。
Cruises sound pretty fun in theory.
理论上，游轮旅行似乎很有趣。
He wrote an excellent book called a Theory of Fun that you all should read.
他写了一本牛书叫《快乐之道》(ATheoryof Fun)，我推荐大家都应该去看看。
Are there any ways to learn music theory in a fun and engaging way?
有没有什么既有趣有上瘾的方式来学习乐理？
Are there any ways to learn music theory in a fun and engaging way?
有没有什么既有趣有上瘾的方式来学习乐理？
应用推荐