中間地帶
zhōng​jiān​dì​dài

intermediate zone

中间地带 中間地帶 zhōng​jiān​dì​dài
intermediate zone noun
The middle area between two points; a buffer zone or neutral territory.
intermediate zone (geopolitical)
Specifically refers to the buffer zone of countries between the American and Soviet camps during the Cold War
central area
The central or middle portion of a particular region