Adult to Adult的用法和样例：
- This ticket will admit one adult to the show.
- The liquor could be sold to adult over age of 21.
- Students in NYC Use High-Frequency Ring Tone Inaudible to Adults to Evade Cell-Phone Rules.
- Happiness is an imaginary condition, formerly often attributed by the living to the dead, now usually attributed by adults to children, and by children to adults.
- Membership of the club is restricted to adults.