Roast duck eggs are expensive. According to the relevant information, we learned that the cost of breeding sea ducks is higher and is often affected by bad weather, resulting in a large number of sea ducks dying or being lost. The price of a single roasted sea duck egg is about 2 yuan more than the price of ordinary salted duck eggs. . Roasted duck eggs have a relatively good elasticity and will not fall apart when cut into pieces, and the total mineral content is higher than that of eggs.