正如我们所知，中国这些年发展迅速，已经成为世界上最重要的国家之一。

As we know, China has developed quickly these years and it has become one of the most important countries in the world.

youdao

正如我们所知，中国这些年发展迅速，已经成为世界上最重要的国家之一。

As we know, China has developed quickly these years and it has become one of the most important countries in the world.

youdao