2. Pickled vegetables, also known as pickles, are mainly salted and seasoned. They have a strong salty taste and can be preserved for a long time. Can be served directly with meals, and can also be used as raw materials for cooking (such as shredded pork with potherb mustard, Dandan Noodles mustard tuber, etc.). ). It is quite common in coastal areas with more brine, and it is used as the main ingredient or seasoning of cold dishes.