/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: mohamedadelkhalaf https://public.slidesharecdn.com/v2/images/profile-picture.png life is like a piano. white keys r happy moments & black keys r sad moments but remember both keys r played together 2 give sweet music that s life live it ..........