Both countries have had extensive contact over the years.
The available evidence shows that those aged 65 + maintain extensive weekly contact with both their family and friends.
The two men have extensive contacts in the business community.
He has extensive high-level contacts in the Chinese government and industry.
"Everything is organized to prevent extensive contacts and such exchanges of ideas."
He has a lot of money and extensive contacts around the world.
"I gather you have fairly extensive contacts with certain commercial and industrial interests."
He comes from Missouri, a swing state, and has extensive contacts among labor leaders.
He also maintained his extensive contacts with world political and business leaders.
Because extensive European contact began so late in the country's history, the traditional social structure carried over into modern times with little change.