在用市盈率指标进行股票投资分析时，不能静态地比较市盈率的高低，必须以动态的、发展的观点来判断市盈率未来变动的趋势或可能性。
While doing stock investment analysis with the index , one cannot compare the level of profit rate in a stationary state , but should judge the changing trends of the future in a dynamic way .
静态市盈率