"there is no black or white answer."句中的black or white answer的意思是什么?

问题描述:

"there is no black or white answer."句中的black or white answer的意思是什么?
这句话的完整句子是:It has all been ruined and continues to be so,and there is no black or white answer.其中的怎样理解?

没有非错即对的答案