He is a vain person, so he always wears expensive clothes.

On cold days, earmuffs are necessary.

This area is still undeveloped and rich in nature.

This area is still undeveloped, and nature is abundant.

This sentence is written in the present tense.

He said it was hard to bring up Mitsuru.

He was deeply grieving the death of his family.

She is my muse, always giving me new ideas.

I want to go to Bermuda.

I am amazed at the advancement of near-future technology.