/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: YOUNGLECTURER https://cdn.slidesharecdn.com/profile-photo-YOUNGLECTURER-48x48.jpg?cb=1523445869 0244821653 / 0270532580 / 0268128805 / 0204510103 Experience as they say is the best teacher. As a normal being,for anything you will do try to have the end in mind before proceeding?