It takes time to introduce the development of new products.

I bought a new bathing suit.

He bought new swimming trunks.

My hobby is keeping saltwater fish.

I am majoring in anatomy at university.

This area is still undeveloped and rich in nature.

This area is still undeveloped, and nature is abundant.

He entered the room trembling with fear.

He has gephyrophobia, and is afraid of crossing bridges.

His disease has spread to his vital organs.