how/what about...? idiom
A2 （用于建议或主动提供给别人某物）…怎么样？
used when suggesting or offering something to someone
How about a trip to the zoo this afternoon? 今天下午去动物园怎么样？
"Coffee, Sarah?" "No, thanks." "What about you, Kate?" “萨拉，要咖啡吗？”“不了，多谢。”“凯特，你呢？”