“确实性”造句

经济发展出现了许多新的趋势，不确实性也显著增强了。
There are many new trends in economic development with the incertitude growing .

这事的确实性已得到承认.
Its certainty has been accepted.

它的确实性大概跟红军合唱团差不多吧!
It has about as much authenticity as the Red Army Choir.