The relationship between this seaweed and the clownfish is called commensalism.

The monthly repayments are tough for me.

He is paying a fixed amount every month to repay his debt to the bank.

This figure was transformed using an affine transformation.

I'm thinking of repurposing this old building into a cafe.

He uses a pseudonym as a writer.

This song is characterized by its irregular time, making the rhythm unique.

The Fourier transform plays a very important role in signal processing.

This exam is taking an irregular format.

He was demoted and exiled because his misconduct was discovered.