### Chinese: 但我们也知道，我们可以迎接挑战，因为我以前说过，正如这次峰会所表明的，民主世界无处不在。
### English: But we also know that we can meet the challenges, just as I mentioned before, the world of democracy is everywhere just as what the summit indicates.
### Errors: There is a minor error of incorrect translation has stylistic problems at "just as I mentioned before". There is a minor error of incorrect translation includes information not present in the correct translation at "just as what the summit indicates".

### Improved English: But we also know that we can meet the challenges, just as I mentioned before and as what this Summit stands for, the world of democracy is everywhere.