And Cantor decided he was going to take a line and erase the middle third of the line, and then take those two resulting lines and bring them back into the same process, a recursive process.
有一天，他做了这样一件事：把一条线段分成三份，擦掉中间一份， 然后对剩下的两条线段进行同样的操作，周而复始。