在历史发展的长河中，所谓必然性一般体现在时间跨度较大的历史宏观走向上。微观的历史过程则更多带有随机性的特点，尤其是在动荡的岁月中：决定历史进程的参量和变量太多，而处在历史转折点上的人们往往从自己的主体意志出发，尽力对现实施加影响，因而历史发展常常呈现出随 In the long history of development, the so-called inevitability generally manifests itself in the historical macro-direction with a large time span. The microscopic historical process is characterized by more randomness, especially during the turbulent years: too many parameters and variables determine the historical process, and people at the historical turning point often start from their own will to do their best Reality exerts influence, so historical development often shows up