The idiom "million-dollar smile" is used to describe an attractive and valuable smile, suggesting that someone's smile is so pleasing and charming that it is worth a significant amount of money. The origin of this phrase is rooted in the idea that a beautiful and engaging smile can be a highly valuable asset, particularly in the entertainment industry, where actors, models, and public figures often rely on their smiles to connect with their audience and make a positive impression.

“million-dollar smile”的英语定义和含义

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