Jim doesn't know Japanese,and his brother doesn't know Japanese,either.这里为什么用either而不用too?

Jim doesn't know Japanese,and his brother doesn't know Japanese,either.这里为什么用either而不用too?
Jim doesn't know Japanese,and his brother doesn't know Japanese,either.这里为什么用either而不用too?

Jim doesn't know Japanese,and his brother doesn't know Japanese,either.这里为什么用either而不用too?
记住否定用either

因为这个句子是否定的，too一般用于肯定语句