/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: stephenwei0916 https://cdn.slidesharecdn.com/profile-photo-stephenwei0916-48x48.jpg?cb=1523537723 Though leaves are many, the root is one; Though all the lying days of my youth, I swayed my leaves and flowers in the sun; Now I may wither into the truth. By William Butler Yeats