speaking of which
01
说到这个, 顺便一提
used to smoothly transition from one topic to another, often when the second topic is related to or follows naturally from the first
搭配
语法信息
例子
I heard you're planning a trip to Europe. Speaking of which, have you decided which cities you'll visit?
我听说你计划去欧洲旅行。说到这个，你决定好要参观哪些城市了吗？
