She capitalized on her opponent's mistake and won the game.

她用了她对手的失误赢得了比赛。

We should capitalize on every chance we get to improve our English.

我们应该充分用一切机会来提高英语水平。

The costs of additions and betterments are capitalized and expenditures for repairs and maintenance are expensed in the period incurred.

附加和修缮成本已资本，并且发生了修理和维护费用。