### Chinese: 拜登在闭幕词中说，自由之火在世界每个人的心中燃烧，专制政权永远无法将其熄灭。
### English: In his closing remarks, Biden said that the fire of freedom burns in the hearts of everyone in the world, and that authoritarian regimes can never extinguish it.

### Improved English: Biden said in the closing speech that a dictatorship can never extinguish the flame of liberty that burns in the hearts of people around the world.
