a feast or a famine

• 极多或极少,重大的成功或惨重的失败

a feast or a famine的用法和样例：

例句

1. The movement of holographic knowledge then creates creations and creators with more or less knowledge as a result.
   随后全息知识的运动用更多或更少的知识创造了造物们和创造者们。