Vitamin C is effective for preventing colds.

This area has plenteous natural resources.

This area has plenty of natural resources.

Acerola is a fruit rich in vitamin C.

This fruit is very rare, and it's hard to find.

I eat fresh fruit every day.

He is a doctor, but I am a student.

C++ is a very powerful programming language.

It's important to consume foods that contain a lot of vitamins.

He joked around and used vulgar language.