"This is as good a map as any."的中文解释？

谢谢！

this is a ____argument. 打劫 this is a There is a lot of things. Is this sentence right? Why" is"? 关于一个英语题目”This is a ...." This is a old camera. "This is a book of mine."和"This is a book of me."哪句话对？为什么？ 这句话"This is princess's a room!"翻译成中文是什么意思呢？ "to be or not to be,this is a question."这句话怎么翻译？ "This is as good a map as any."的中文解释？ "There is a temporary problem loading this page."是什么意思