英语翻译The reason for this phenomenon is various.The reasons for these phenomenons are various
问题描述：
英语翻译
The reason for this phenomenon is various.
The reasons for these phenomenons are various
答
The reason for this can be various
现象依据上下文可以不翻
答
应该是The reason for this phenomenon is various.
因为你原来的句子是这种现象,所以是单数,用reason和phenomenon