从这个角度看，完全了解现在就意味着完全了解所有历史。

In that sense, complete knowledge of the present implies complete knowledge of all of history.

youdao

甚至现在我还不完全了解这是为什么。

Even now I don't fully understand why.

youdao

甚至现在我还不完全了解这是为什么。

Even now I don't fully understand why.

youdao