Chinese

		Columbus	big; great; huge big; great; huge; large; major; wide; deep; oldest; eldest; doctor	to exchange; to swap
trad. (哥倫布大交換)		哥倫布	大	交換
simp. (哥伦布大交换)		哥伦布	大	交换

Proper noun

哥倫布大交換

1. the Columbian Exchange; the Grand Exchange