The point we must clarify here is that the lines between amateur and professional in sport are beginning to disappear.
我们必须阐明这个观点,在运动项目上,业余选手和专业选手的界限开始消失了。
The fog began to disappear around ten o'clock.
霧在十時左右開始散了。
The tropical rainforests, located in a narrow region near the equator, are disappearing so fast that by the year 2000 eighty percent of them may be gone.