/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: valereyes28 https://cdn.slidesharecdn.com/profile-photo-valereyes28-48x48.jpg?cb=1523343318 "I must create a system or be enslaved by another man's; i will not reason and compare: my business is to create." (The Marriage of Heaven and Hell, William Blake.-)