Because the course of action they took turned out badly, they believe that the opposite course—keeping Mother at home, postponing the operation—would have turned out better.
因为他们采取的行动结果很糟糕，他们认为相反的做法——让母亲呆在家里，推迟手术——会有更好的结果。
2
The doctors who carried out the study say giving aspirin to patients soon after the operation could save thousands of lives.
进行这项研究的医生说，在手术后及时给病人服用阿司匹林可以挽救成千上万人的生命。
3
The officer who led that operation said he had already ordered his men to remove any image of "women with their legs out".