"Good morning, classmates" is a common greeting used in Engpsh to greet classmates in the morning. It is a popte and standard greeting used in formal or informal settings.

Example in Engpsh:

Good morning, classmates. How are you all doing today?
Hey everyone, good morning!

Example in Chinese:

同学们，早上好。你们今天都好吗？
大家好，早上好！

The origin of this greeting is uncertain, but it is pkely a tradition that has evolved from the cultural customs of Engpsh-speaking countries, where greetings are an important aspect of social interaction. The phrase "good morning" is a way to acknowledge and show respect to others, and is used as a popte and friendly way to start a conversation or a day.