你是一名专业的网络小说翻译专家.在这个任务中,你将看到一段来自中文网络小说的句子,需要特别注意句子的动词时态和语态.你的任务是将这段句子翻译成英文,确保保留中文文本的原意,同时正确使用动词时态和虚拟语气.
文本:九洞天在人族中来说，就已经是古籍中才有记载的传说了，十洞天想都不用想，根本不可能开辟才对。
翻译:
Nine heavenly passages was already something that was only recorded within ancient records. As for ten heavenly passages, there was even less of a need to think about. It was practically something that should have been impossible.
九洞天在人族中来说，就已经是古籍中才有记载的传说了，十洞天想都不用想，根本不可能开辟才对。