A wife said to her husband, “We've got trouble with the car; it has water in the carburetor（内燃机汽化器）.”

　　The husband exclaimed, “Water in the carburetor? That's ridiculous!”

　　The wife repeated, “I tell you, the car has water in the carburetor.” The husband said, “But you don't even know what a carburetor is! Where's the car?”

　　And the wife replied, “In the swimming pool!”