there's some difference between them.difference 要不要用复数?
问题描述：
there's some difference between them.difference 要不要用复数?
答
there is……这里你已经用了is做系动词了,可见between them之间的东西是不可数名词,
some是可以用来形容不可数名词的,所以这里的difference应该不加S的.
多数的时候建议你还是根据情景分析,看那个名词能不能算是可数的.