be restricted to的用法和樣例：
例句
- A head of state may not have much political power, and may be restricted to ceremonial duties(meeting ambassador, laying wreath at national memorials, opening parliament, etc).
國家元首也許沒有太多的政治上的權力，也許只限于禮儀上的職責(會見大使、在全國性紀念儀式上放花圈、宣布議會開始等)。 - Education should not be restricted to any one specific age group.
教育不應限制在任何特定的年齡組上。
