What capacity refrigerator is suitable for ordinary families?

Because each family's buying habits are different, some families like to go out to buy food every day, and some families like to buy enough food for several days a day without running to the market every day. My mother likes to go to the market twice a day. She said that since she had time, why not buy fresh vegetables. In the past, my old refrigerator was only 230 liters, which was enough for four people in my family. The size of the refrigerator is generally related to the way the door is opened. The refrigerator with the largest volume is the opposite door refrigerator, followed by the opposite door refrigerator and multi-door refrigerator, and finally the three-door, double-door and single-door refrigerators. The total volume of double-door refrigerator is about 150~250 liters, which is suitable for families with three people or less. Generally, the total volume of a three-door refrigerator is about 230~3 10 liter, which is suitable for families with 3 to 4 people. Generally, the total volume of the opposite door refrigerator is about 500~6 10 liter, which is suitable for families with 6 to 8 people. The total volume of the opposite-door refrigerator is about 450~550 liters, which is suitable for families with 5 to 7 people. Multi-door refrigerators generally have a total volume of about 450~550 liters, which is suitable for families with 5 to 7 people. And I thought the bigger the refrigerator, the better. It is best to buy enough ingredients for a week at a time, and don't go to crowded supermarkets and vegetable markets. The best is more than 450 liters, so I chose TCL 520-liter high-capacity Xingxuanqing series fresh-keeping refrigerator. The capacity of 520 liters is enough for 4 or 5 people. This refrigerator has a large capacity of 520 liters, and it opens to the door with low noise. It is friendly to our family and the area is not large. Although this refrigerator has a large volume, it has good fresh-keeping effect and reasonable storage space. Among them, AAT negative oxygen ion preservation technology can achieve good preservation effect without dehydration for a long time, and air-cooling double cycle ensures that there will be no odor in the refrigerator. There are not only many things to store in the refrigerator at home, but also many things, which will smell bad if you are not careful. I specifically learned about the deodorant function of this refrigerator. This refrigerator has a total of 20 storage areas, with clear partitions to meet the fresh-keeping needs of diverse ingredients and physically isolate odors. Double-cycle independent refrigeration, 360-degree surrounding air supply refrigeration and refrigeration functions can also eliminate odor and prevent odor. For our family of four, this refrigerator is absolutely enough, and the integrated double frequency conversion can also keep the refrigerator temperature, help food lock water and keep fresh, and save energy and electricity. I wonder if you are satisfied with my answer?