system vicissitude

• 制度变迁

system vicissitude的用法和样例：

例句

1. The system vicissitude is the key factor in modern society.
   制度变迁是社会现代化变革的关键性因素。
2. The second part analyzes the cause of Electoral System Vicissitudes in respect of both exogenous change and endogenous change.
   第二部分从外生变迁和内生变迁两个方面分析选举制度变迁的动因。