collateral damage

1. N-UNCOUNT Collateral damage is accidental injury to nonmilitary people or damage to nonmilitary buildings which occurs during a military operation. (军事行动中对平民或非军事建筑造成的) 附带损害

To minimize collateral damage, maximum precision in bombing was required. 为使附带损害达到最小，要求在轰炸中使精确度达到最高。