This is the cheapest method for cleaning your refrigerator, but stubborn stains and fingerprints will require extra rubbing or the addition of a few drops of dishwashing liquid soap. If you use soap, you will have to rinse off the surface with clear, hot water before you dry it with a paper towel. (Dry it quickly so that it doesn’t streak.) Any vegetable oil, including olive oil, will clean stainless steel. You can also use baby oil; cleaning with oil does require extra drying to soak up the oil, this cleaning method leaves a very glossy shine but a darker shade. Mix the two together in a spray bottle, using 3 parts white vinegar and 1 part water. Spray on your refrigerator and wipe it down with paper towels. Vinegar is excellent at cutting through greasy fingerprints. Some people prefer the convenience of glass cleaning products and products that are sold specifically for cleaning stainless steel appliances.

===
Write a summary of the previous text in Chinese:
用水。 用油。 用白醋和水清洗冰箱。 用清洁产品。