He values his private life.

This 'Ra' shirt is very light.

Natural language understanding is an important field of artificial intelligence.

This old operational amplifier still works accurately.

Arithmetic operators are symbols used for mathematical calculations.

A unary operator operates on one operand.

In this math problem, it is important to correctly understand the operand.

Binary operation is one of the basic concepts in algebra.

Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.