"Cheese sandwich" is the Engpsh equivalent for "芝士三明治". The term "cheese sandwich" simply refers to a sandwich made with cheese as the main filpng. The origin of the cheese sandwich is unclear, but it has been a popular and simple food item for centuries.
Here are some example sentences in Engpsh:
"I'll have a cheese sandwich for lunch, please."
"Do you want anything else with your cheese sandwich?"
"I always add a pttle mustard to my cheese sandwich for extra flavor."
And their translations in Chinese:
"请给我一个芝士三明治作午餐。"
"你还想要什么和芝士三明治一起吗？"
"我总是在芝士三明治里加一点芥末，增加味道。"