great divide
noun
1- a distinction regarded as significant and very difficult to ignore or overcome明显差别; 显著的分界; 重大差异：
the great divide between workers and management.
工人与管理层之间的巨大鸿沟。
1.1
- an event, date, or place seen as the point at which significant and irrevocable change occurs转折点; 分界点：
to our parents, the war was the great divide.
对于我们的父母来说, 战争是一个重大转折点。
1.2
- the boundary between life and death死亡线, 生死界; 大限：
she is still on the human side of the great divide.
她还活着。