This world line connects time and space.

He is an excellent doctor.

He is a famous author, and his works are loved by many readers.

He likes to take a walk in the park at dusk.

As the saying goes, 'spare the rod and spoil the child', if you pamper them, children will not grow.

My spouse is a doctor.

She is conducting research on the world's oldest profession.

Old World monkeys primarily inhabit Africa and Asia.

The World Trade Organization is an important organization that sets the rules for international trade.

The World Health Organization is working to improve public health worldwide.