different 普通用词，强调事物间的区别或本质的不同。有时侧重对比，不着重差别。
various 通常强调种类的数目。
diverse 语气较强，指性质完全不同，着重显著的区别。
参考例句
1. Performance Arts is diverse in its approach and content. 表演艺术在方法和内容上都是多元的。
2. Love is diverse, and are multiple choice, we can have a love, love can also choose a. 爱是多样的，而且是多重的选择，我们可以拥有一种爱，也可以选择一种爱。
3. Although leaders and their qualities can be a bit diverse the common characteristic that they all possess is their humanness. 虽然领袖及其特质可能千差万别，但是他们都有一个共同特点就是对人性的把握。
英英解释
adj.
1. many and different
2. distinctly dissimilar or unlike
