buffer一般被称为缓冲区
例句
1.
They tried to buffer themselves against problems and uncertainties.
他们尽力保护自己免受困难和不确定因素的影响。
2.
Keep savings as a buffer against unexpected cash needs
存些积蓄以备不时之需。
3.
Turkey and Greece were buffer states against the former Soviet Union.
土耳其和希腊是前苏联与反苏国家之间的缓冲国。
