His friend emphasized that design cannot be accomplished merely through use of one's imagination, but has to be executed through the process of printing. He warned that a lack of expertise in printing will cause a designer to end up wasting a lot of time and effort.
學長特別告訴他，設計絕不能只靠想像來做，必須透過印刷完成，如果不懂印刷，設計工作事倍功半。