About one in five people today, concentrated mostly in Third World nations, are illiterate.

在当今社会，尤其是第三世界国家，五个人中仍有一个是文盲。

youdao

About one in five people today, concentrated mostly in Third World nations, are illiterate.

在当今社会，尤其是第三世界国家，五个人中仍有一个是文盲。

youdao