Salt and sugar are common condiments and are often used together in food processing and cooking. Sugar is one of the futures varieties closely related to salt.

2. Pickling is a common food processing method. Soybean is often used to make pickled foods such as tofu and bean curd brain, which is closely related to salt.

3. Soybean oil is a vegetable oil extracted from soybean and one of the common edible oils. In cooking, salt and soybean oil are used together, and soybean oil is also related to salt.