High-end stores such as Tiffany, a world-renowned jeweller, and luxury watch retailer Tourneau are catering to Chinese tourists with Mandarin-speaking sales staff, Chinese size charts and visits by sales reps to China to update tour operators on their US retail offerings.

BBC: The US gears up for an explosion of Chinese tourism

Employing first Chinese graduates of these colleges as liaison staff (and later Mandarin-speaking African college graduates), multinationals should sponsor Chinese faculty research in key areas like petroleum engineering, manufacturing operations and international commerce, and seek out talented students from Angola, Zambia, Congo and Sudan.

FORBES: China Turns Its Focus To Africa

The French hotel group Accor began adding Chinese television and Mandarin-speaking staff.

NEWYORKER: The Grand Tour

That is something of a problem if you are running a large Chinese-owned business in Mandarin-speaking Taiwan.

ECONOMIST: Tongue-twisters