My car needs repair.

Just before the exam, he started studying hard.

Students from all over the country will participate in this contest.

Natural language processing is the technology that allows computers to understand and generate human language.

He is facing the problem of erectile dysfunction.

I have been to North Jeolla.

Natural language understanding is an important field of artificial intelligence.

He grew up in a slum and overcame difficulties to succeed.

Essential fatty acids are necessary to be taken from our diet because our body cannot produce them on its own.

Essential amino acids are vital nutrients for the human body.