Such forms usually made great effect in the beginning . however , the benefit of reform became digressive when several years passed 人们每每看到，新办法一经推出，往往带来轰动效应，但推而广之，久而久之，改革的效益又呈递减趋势。
2.
In 1990 ' s , the growing speed of passenger transport has surpassed that of cargo transport and become the trend of traffic industry development in the new period . there is an obvious digressive trend of waterway passenger transport volume and turnover volume because of the fierce competition between railway , road and aviation , and relative falling behind of waterway technology 进入90年代之后，旅客运输增长速度超过了货物运输，成为交通运输业在新时期的发展趋势，铁路、公路和航空的激烈竞争，加之水路客运技术状况的相对落后，使水路客运量和旅客周转量都出现明显下降的态势，水路客运面临新的机遇和挑战。
