二十年的改革开放，极大地解放了社会生产力，我国综合国力显著增强，国民经济和社会发展上了一个大台阶，带来了经济社会生活中一系列可喜变化。其中一个很突出的变化，就是市场供求关系发生了根本性转变，人们彻底告别了小到肥皂票大到外汇券的各种票证，短缺经济悄然逝去， Twenty years of reform and opening up have greatly liberated social productive forces, China’s overall national strength has been significantly enhanced, and the national economy and social development have reached a major stage, bringing with it a series of welcome changes in economic and social life. One of the most striking changes is the fundamental change in the supply and demand relationship in the market. People have completely bid farewell to various tickets ranging from small soap tickets to foreign exchange certificates, and the shortage economy has quietly passed away.