My friend is suffering from simple herpes.

Herpes simplex virus is a virus that mainly infects the lips and genitals.

We need to simplify this problem.

In order to solve this problem, we first need to simplify it.

A simple machine is a basic concept in physics.

Please read this instruction manual carefully before using the product.

He likes to take a walk in the park at dusk.

My friend is suffering from herpes simplex.

He can speak Japanese fluently.

He is good at speaking Spanish.