1·It would be vital to the progress of human civilisation.
它对人类文明的进步至关重要。
2·Hunt and Lipo also see no evidence that Rapanui civilisation collapsed when the palm forest did.
亨特和利波也没有发现任何拉帕努伊文明在棕榈树林倒塌后消失的证据。
3·Would the human race face the culture shock if faced with a superior and much older civilisation?
如果人类面对的是一个更高级并且古老许多的文明，人类会面临文化冲击吗？
4·Thus any other civilisation that we hear from is likely to be far older, on average, than ourselves.
因此，我们听到的任何其他文明的平均年龄都可能比我们自己的年龄大得多。
5·The mere existence of such a civilisation will tell us that long-term survival is possible, and gives us some cause for optimism.
这样一种文明的存在本身就会告诉我们，长期生存是可能的，并给我们一些乐观的理由。