The challenge that these works of ancient masters brought to these modern-day technicians, however, was how to work with objects that could not be touched, such as the intricate ivory sphere.
但是當國內虛擬實境高手碰上不能直接觸碰、構造又極盡複雜的象牙球，科技人才也得發揮古代工匠挑戰自我的毅力了。