to be more successful or prepared than others
比别人更成功或更有准备
"To stay ahead of the game, you must always keep learning."
"要保持领先地位，你必须不断学习。"
to calculate and record a sale
an unrealistic or impossible hope
to be the best or most successful in a situation
to fulfill one's responsibilities or obligations
to create a positive image of yourself in someone's mind
quiet or calm people often have deep thoughts or emotions
