Just look at the "Year of Traffic Safety" stamps issued in 1992. A warning against drinking and driving was expressed with blocks of color and an alcohol bottle. This type of design was rarely seen in the early days.
像八十一年發行的「交通安全年郵票」，以色塊和酒瓶表達酒後不開車的理念，這種設計在早期的郵票上很少見。