香港上市公司退市条件:There is no telling是什么意思？

There is no telling是什么意思？ no one is there there is no douubt是固定词组吗？ no one is there 的歌词谁有啊 There is no royar to learn 是什么意思 no-one is there是谁唱的?? There is no mother_____loves her children. There is no royal road to leaning there is no enough ___for another desk There is no use ....的用法，谢谢