五湖四海 (wǔ hú sì hǎi): all parts of the country

Friends from all parts of the country gathered in Beijing to celebrate this festival together.

The employees of this company come from all parts of the country, and everyone gets along harmoniously.

Every Spring Festival, people from all parts of the country find ways to return home for family reunions.

The Internet allows people from all parts of the country to communicate at any time.

This restaurant's customers come from all parts of the country, so the menu offers dishes with various flavors.