Truffles grow below the surface of the soil, so to harvest them farmers in France and elsewhere enlist the help of animals with a keen sense of smell, such as pigs or dogs, to sniff them out.
在法國，由於松露產於土壤中，農民採收時，還必須利用豬、狗等嗅覺靈敏的動物幫助找出菌體。