What is the difference between mother and mother, and under what circumstances?

Mother and mother have different appellations, but there is no difference. According to legend, in the past, Han people called their mothers their mothers and fathers, while Manchu people called them their mothers and fathers. With the rule of the Qing Empire over the Central Plains and the unification of China, calling father and mother gradually became popular. There is no textual research, but whether you call it mom or mom, you can call it whatever you like. As for when to call mom. When you talk about your mother in the article, or in front of a third person, you are all regarded as your mother. For example, when my mom ... greets her face to face, no one calls her mom. Call them mom or mom.