“惨重的”的英语？

心理测试能够使组织机构避免犯下损失惨重的大错。Psychometric tests can save organizations from grim and costly mistakes.菲亚特一直是经济萧条中损失最惨重的公司之一。Fiat has been one of the greatest casualties of the recession.南部联盟军在纽霍教堂的伤亡是惨重的.The Confederate dead an...