Obviously the distinction is becoming blurred in the public mind.
That distinction has become all the more interesting since Sept. 11.
"But, after a while, I realized that this distinction had become meaningless to me."
In some areas - not least to outside eyes - the distinction between them was becoming blurred.
However, this distinction is becoming blurred with the increasing use of power tools in even small gardens.
Because of this, the distinction between the two has become blurred.
The traditional distinction between internal and external security is becoming increasingly blurred.
The distinction between information and advertising is becoming less clear.
The lines that defined the two communities were clearly drawn, but this distinction was becoming blurred by the 1970s.
Due to recent interbreeding between the two types, the distinction is becoming less clear.