一个女士带着一只奄奄一息的鸭子走进了动物诊所。她把自己的宠物放在桌上,诊所的兽医将听诊器放在鸭子的胸上听了起来。不一会,这位兽医抬起头用低沉的声音说道:“很抱歉,女士,你的鸭子已经死了。”这位伤心的女士哭泣着说道:“你确定吗?”“是的,我确定。它已经死了。”兽医回答。“你怎么能这么肯定呢?”她抗议道。“我的意思是你的检查太 A lady walked into the animal clinic with a dying duck. She put her pet on the table and the clinic’s vet listened to the stethoscope on the duck’s chest. The veterinarian looked up in a low voice in a few moments: ”Sorry, Madam, your duck is dead.“ The sad lady cried, ”Are you sure?“ ” Yes, I’m sure it’s dead. “The veterinarian replied. ”How can you be so sure?“ She protested. ”I mean your check too