What does "young lady" mean in traditional letters?

In traditional letters, "Ling'ai" is also called "Ling'ai (ài)", which is a respectful address to someone else's daughter. It is mostly used to address the other person's daughter.

Ling, a respectful speech, means "beautiful". It is used to honor others or other people's relatives and friends, and is mostly used to address the other person's relatives.

Some words of honor starting with the word "ling": Addressing someone else's father with respect: Your Majesty; Addressing someone else's mother with respect: Lingtang, Lingci; Addressing someone else's son with respect: Your Majesty, Your Majesty, Your Son; Addressing someone else's daughter with respect: Ling'ai (also known as "Ling'ai")

"Ling Ai"); respectful addresses to other people's wives: Ling Yan (kǔn), Ling Zheng, Ling Wife; respectful addresses to other people's sons-in-law: Ling Xu, Ling Tan.