/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: Dr_Ruth https://cdn.slidesharecdn.com/profile-photo-Dr_Ruth-48x48.jpg?cb=1523408865 Since 狠狠撸Share stopped being useful for sharing slide presentations with audio, I no longer use it for presenting online lectures. I've switched to Youtube. My students are more familiar with Youtube and are more likely to watch the same narrated slideshows as videos.