Though his purpose for covering so much ground was for geological research, during the process Yap became acutely aware of differences and similarities between people and things around Taiwan, which struck him profoundly.
儘管四處探訪的目的是為了進行地質研究，但過程中，台灣各地人、事、物的同中有異與異中有同，卻給葉高華留下了更深刻的印象。