Mr Brown lived in a house less than two miles from his office. He was able to drive home every day for lunch. Every time he drove home in the middle of the day, he found that oars were parked on the road outside his house and there was no room for his own. He had to drive two hundred meters more before he could find a place to park his oar. Then he had to walk back home. This made him very angry.
Then, he set up a board in the garden facing the road. It had two words "No Parking" on it, but nobody seemed to notice (注 意) it. If it was a blue board with the words "Police Notice: No Parking", no car would be parked in front of his house. So, Mrs Brown suggested that he make one like the police notice (告示). Mr Brown said he was not the police and couldn’t use the word "police". But he decided he must find a way out and started thinking hard.
Several days passed. Then one evening, he showed his wife a new blue board with the words "Polite Notice: No Parking" on it. "Oh!" Mrs Brown said. "You told me you weren’t going to use the word "police", but this is just like a police notice."
"Is it" Mr Brown asked. "Look again." Mrs Brown started to laugh. "You are really very clever.\
MMr Brown parked his car two hundred meters away because ______.