What does it mean to serve roast duck first in the hotel?

The restaurant serves roast duck with dipping sauce first, because roast duck is eaten with dipping sauce. Roast duck is usually made of meat duck and roasted with charcoal fire. In the process of eating roast duck, it is generally not eaten directly, but sliced, and then cucumber strips and shredded onion are involved in lotus leaf cake, dipped in sauce before eating, while roast duck is generally dipped in sauce and then sliced before taking out of the pot.