"every coin has 2 sides" this seemingly the cliche is totally a truth.nothing is absolute in the world.in a particular situation,something bad can turn into something good; disadvantage could even be a merit.hence,people today should be encouraged to get critical thinking--- having ability to qualified appreciate.the thinking of qualification requires our capacity of analysing the problems fully,considering both sides of the coin.without this ability,people can hardly be acomplished.
字数太少啊,100字展不开,不过大体就这样了.