variousness
🇬🇧/'veərɪəsnɪs/ 🇺🇸/'veərɪrsnɪs/the quality or state of being composed of many different elements, types, or kinds
noun [抽象名词] 变化，多样性
Another of them is the variousness of theory and methods. 二是理论与方法的多样性。
Another of them is the variousness of theory and methods. 二是理论与方法的多样性。