Complex analysis is a branch of mathematics that studies functions of complex numbers.

He is an expert in harmonic analysis.

This contract includes a warranty against defects.

By conducting self-analysis, you can understand your own strengths and weaknesses.

The Great Red Spot on Jupiter is said to be the largest storm in the solar system.

He tends to hold onto past failures.

This museum exhibits a collection of rare ulexite.

He is playing the character of Bun.

This problem is difficult.

What does this sentence mean?