/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: yacinekorti1 https://cdn.slidesharecdn.com/profile-photo-yacinekorti1-48x48.jpg?cb=1523482288 A negative thinker sees a difficulty in every opportunity.A positive thinker sees an opportunity in every difficulty, wish you an optimistic life..