n.確定, 確實的事情
certainty n.確定的事情;確定性【例】It's a certainty that I will win the game. 我肯定會贏得這場比賽。【反】quandary ( n.困惑 ) ;supposition ( n.推測 ) ;misgiving ( n.疑慮 ) ;indecision ( n.猶豫不決 )
certain + ty (名詞字尾)