VOA慢速英语:名师问答:by the way 和 mind you 的区别

phrase – n. a brief expression that is commonly used

clue – n. something that helps a person find something, understand something, or solve a mystery

architecture – n. a method or style of building

on the other hand – expression. used to introduce statements that describe two different or opposite ideas, people or other things

review – n. an act of carefully looking at or examining the quality or condition of something or someone