以下是 classic 跟 classical 的差別:
classic = 典型的
例句：Adding numbers from right to left is the classic method of teaching arithmetic.
classic = 高等的
例句：This painting is a classic piece of work. At the auction it was sold for one million dollars.
classical = 古典的
例句：I listen to classical music all the time. What kind of music do you like?
classical = 跟希臘或羅馬有關的
例句：I studied classical literature in college. Now I am a history professor at a university.
Patients who are operated on under ful anesthesia have a small chance to die.