We'er extremely fortunate not to know precisely the kind of world we live in.

问题描述:

We'er extremely fortunate not to know precisely the kind of world we live in.

我们都非常幸运地并不真切的认识我们所居住的这个世界.
PRECISE译义应该是准确,不过这句句子翻作中文后改用真切二字似乎比较好.