A buffer zone was clearly needed.

显而易见，现在急需一个缓冲区。

No buffer zone here.

一点儿缓冲区都没有。

maintain control over the non-Han buffer zone;

维持对非汉族缓冲地区的控制

Demilitarize a buffer zone between hostile countries.

解除敌对国之间缓冲区域的军事管制。

COBRA: Turkey is a buffer zone between Syria vortex and Europe.

柯博拉：土耳其是叙利亚漩涡和欧洲之间的缓冲区。