搜了一下 Puerto Rico is a Caribbean island and unincorporated U.S. territory with a landscape of mountains, waterfalls and the El Yunque tropical rainforest.
> The United States has never had an official language at the federal level,[20] but English is typically used at the federal level and in states without an official language. Outside of Puerto Rico, English is the primary language used for legislation, regulations, executive orders, treaties, federal court rulings, and all other official pronouncements.
@Acer 算美国的,我记得那里的人能拿美国护照……
> The United States has never had an official language at the federal level,[20] but English is typically used at the federal level and in states without an official language. Outside of Puerto Rico, English is the primary language used for legislation, regulations, executive orders, treaties, federal court rulings, and all other official pronouncements.
Languages of the United States - Wikipedia
https://en.wikipedia.org/wiki/Languages_of_the_United_States#Official_languages