它是不可缺少的,我们保持一个平衡的饮食对身体健康求给最佳答案that so small a force was able to hold out against such odds is certainly proof of bravery 意思这么小的一只力量能够坚持反对这样的几率无疑是勇敢的证明等等那么小的力能够顶住这样的几率是肯定的英勇证明差不多吧不过答案差太多嗯其实意思差不多嗯