导读:历史不会简单地重复,却经常押着相似的韵脚 引言: 从Jenga积木游戏 看市场的结构不稳定性 Jenga游戏中文
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Latest Covid19 Info
- Ontario New Case+2,632
- Ontario New Death+46
- Canada First doses658,662
- Canada Second doses53,629
- Canada % of population vaccinated1.87%
- Canada Received from manufacturer893,240
- Canada Received doses administered79.7%