Not to know precisely the kind of world we live in.

无法确知自己生活在什么样的世界。

youdao

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

我们何其幸运，无法确知自己生活在什么样的全天下。

youdao

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

我们何其幸运，无法确知，本身生活在什么样的天下。

youdao

Alternatively, as in the case of forensic evidence when the user does not know precisely what to expect, different combinations of frequencies can be examined to see if anything interesting emerges.

ECONOMIST: Monitor

While Apple users do have the option to turn location services off on their phones, most did not know precisely how their location was being tracked and stored on their phones.

FORBES: Where Steve Jobs Stood on Location Privacy in 2010