But even in the case of the difficult-to-train African elephant, failure hasn't deterred people from trying. At the end of the 19th Century, the King of Belgium ordered the establishment of elephant training centers in the Belgian Congo. The objective of this program was to use elephants to build roads and open the African interior to trade.
至於被認為野性難馴的非洲象，人類一樣百折不撓，十九世紀末，比利時國王下令在比屬剛果成立象訓練站，為比國披荊斬棘、拓展非洲內陸貿易。