/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: sergeiliesco https://cdn.slidesharecdn.com/profile-photo-sergeiliesco-48x48.jpg?cb=1523650494 When one door closes another door opens; but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us