"The fundamentals are easy, but to go professional, you still need the right stuff," points out Li Ya-jen, national-level pool coach and long-time observer of Yang Ching-shun.
「基本動作簡單，但是要打到職業水準，天分仍是關鍵，」長期觀察楊清順的國家級撞球教練李雅仁指出。