/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: xicaichenyu https://cdn.slidesharecdn.com/profile-photo-xicaichenyu-48x48.jpg?cb=1523471486 I am now a student majoring in Math and Statistics in UW-Madison. Life in the United States is really tough but fantastic~