There is much uncertainty about what it will involve.
它將涉及的內容具有很多不確定性。
Having said all that, I do actually enjoy an element of uncertainty.
説了這麼多,我確實很喜歡不確定性。
If you say something like "this appears to be", it implies uncertainty.
如果你説“這看起來是”,這意味着不確定性。