Says Ronny Chiang, who was a graduate student once himself: "Teachers and graduate students are an excellent bargain. If companies hired professional R & D experts instead, the costs would be a lot higher."
自己也曾是研究生的蔣煥榮說：「學校的老師和研究生是比較『物美價廉』的一群，公司如果另外要請專業研發人才，成本可能就要提高甚多。」