crème de la crème精英、精华the best people in a group or the best type of a particular thinge.g. She was hoping to attract the crème de la crème of the art world to her exhibition.

crème de la crème
精英、精华
the best people in a group or the best type of a particular thing
e.g. She was hoping to attract the crème de la crème of the art world to her exhibition.