Lower fatty acids play an important role in the human body.

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

This cheap seal is not only inexpensive, but also of good quality.

He was able to gain confidence by passing that exam.

It's impossible to finish this quickly.

He learned about the life of the Eta in his history class.

He finished all his homework yesterday.

Ahem, let me start my presentation.

In Japanese grammar, we use the causative form to make expressions that make others do something.

He couldn't help but pass the exam.