Which languages are easiest -- and most difficult -- for native English speakers to learn?
https://edition.cnn.com/travel/article/learn-a-foreign-language-wellness/index.html
If you want to choose 3 languages to learn, Spanish, Chinese, and English would be convenient for covering the world efficiently. That's because Spanish is spoken in almost all of Americas, except for Canada and United States, and Chinese is the language that is the mother tongue for more than 1.4 billion people, the largest number among world's languages. Needless to say, English is treated as an official language around the world.(At least, those who can read this blog don't have to learn English)
