The difference between a sandwich and a hamburger. Be specific.

Different: different sources, different practices.

Difference 1: Different sources.

Sandwich Source: Sandwich was originally an unknown town in southeast England. There is a sandwich count named John montague in town. He is a card lover. He is addicted to card games all day and forgets to eat and sleep. It was difficult for the servant to serve his diet, so he put some vegetables, eggs and sausages between two pieces of bread and let him eat while playing cards.

Unexpectedly, montague was overjoyed to see this kind of food and casually called it "sandwich". When he was hungry, he shouted, "bring sandwiches!" " Other gamblers followed suit and began to eat sandwiches while playing cards. Soon, sandwiches spread all over the British Isles, to the European continent, and later to the United States.

Hamburg Source: The ancient Tatars had the habit of eating beef raw. As the Tatars moved westward, they were first introduced to the Balkans and then to Germany, and gradually changed from raw food to cooked food. People in Hamburg, Germany, improved it by kneading chopped beef sauce in flour, spreading it into cakes, frying it and eating it, so they named it "hamburger patties" after the name of the place.

Difference 2: Different practices.

Sandwich is a typical western food, made of two pieces of bread with a few pieces of meat, cheese and various seasonings.

The earliest hamburgers were mainly composed of two buns and a beef pie. In modern hamburgers, besides traditional beef patties, there are butter, mustard, ketchup and salad dressing. It is coated on the second layer of steamed stuffed bun, and then sandwiched with tomato slices, onions, vegetables, pickles and other foods, so that the main and non-staple foods can be eaten at the same time.

Extended data:

Hamburg's mistakes and rumors:

Hamburgers are not fried food.

Many people mistakenly believe that hamburgers are fried food. The meat for hamburgers doesn't have to be fried. Hamburgers can be cooked, roasted or barbecued. Eating hamburgers is harmless to health. Hamburgers are healthy food. Hamburg is convenient to eat, delicious and comprehensive in nutrition, and has now become one of the convenient staple foods that sell well all over the world.

Hamburgers don't cause high blood pressure.

The reason of hypertension is that islet β cells can't secrete insulin normally. Hamburg will not damage islet β cells, nor will it reduce insulin in human body. As long as you don't overeat and eat a high-salt diet for a long time, you won't have hypertension.

Baidu encyclopedia-hamburger

Baidu encyclopedia-sandwich