various

各种原因

indicating that there are multiple different causes or explanations for something

表示某事有多种不同的起因或解释

referring to the multiple different shapes, types, or ways something can exist or appear

各种方式

in a number of different methods or manners

用多种不同的方法或方式

各个方面

referring to multiple different features or parts of a situation, problem, or subject

指情形、问题或主题的多个不同特征或部分