Newspapers and television often present the bad side of life to ns. Life is, however, not so bad. The world is, on the whole, full of kind people and friendly strangers. Recently, a tourist in France was given a bunch of roses by a gardener as a token(标记) of friendship. In California, when a tourist"s car was badly damaged, a man who came by offered to tow (摇曳) the car to a repair shop. The repairman was so nice that he not only charged(收费) the tourist very little, but lent him a car to drive while he was repairing the tourist"s car. We can say that if you are friendly and expect to meet friendly people, you will most certainly meet them. This passage mainly tells us that the world ______.