Pīngpāng wàijiāo shì xiǎoqiú zhuàndòng dàqiú zuì yǒumíng de lìzi.
Ping-pong diplomacy is the best-known case of the little ball moving the big ball.
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history
In April 1971 China invited the American table tennis team to visit, and in February 1972 尼克松 came to Beijing. The little ball is the ping-pong ball; the big ball is the globe.
