/ˈbʌfər zoʊn/ – Pharse
Definition: Khu vực an toàn hoặc khu vực cách ly.
A more thorough explanation: 1. a neutral area of land that separates two or more different hostile forces or nations, especially one designed to help them work together or more easily blend or cooperate with each other
2. an area of land provided for environmental protection
Example: 1. A buffer zone between the former warring neighbours has now been officially established.
2. The proposed buffer zone extends about a mile around the city.