In America, seldom do you go anywhere without hearing a principle called WIN-WIN._____ However, as time goes by, I have gradually comprehended the meaning of WIN-WIN principle---it is the attitude of seeking mutual(相互的) benefit.
When I was little, I used to play Chinese checkers(跳棋) which include two basic tactics(战术): ______ The other is to block the passages of your rival. Players may apply these two totally different approaches in the game, but the key for the player to win is to continuously create paths for himself even if his opponent（对手） may take advantage of it. _________ Meanwhile, some player may take another approach to prevent his opponent from moving forward at all costs. By this he may get a short-term benefit, but couldn’t fix attention on the final goal, thus he would never truly develop further.
_______ Its core is to achieve your objective while giving other people some benefits, so there is no real loser. One example of applying the WIN-WIN principle is the voluntary system in the US. ____
It is quite usual that some people are too selfish and never take other people’s interests into consideration, while someone who really has courage to do something for the public is often called “foolish” or “stupid”. Actually helping other people can be of great delight to the helper, for he can also learn something important for his life such as sympathy, care, devotion, etc. So taking other people’s interests into earnest consideration can you assure your own gain.

A．Playing Chinese checkers really needs skill.

B．In the 1990s, a strategy（策略） called WIN-WIN became widespread in the western world.

C．It was important for me after I knew its meaning.

D．One is to create paths for yourself.

E. Most Americans advocate（提倡,拥护） the spirit of social service and voluntary contribution.
F. It sounded strange to me at first.
G. Finally he can always reach the destination a few steps ahead of the other player.