/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: MsMirna https://cdn.slidesharecdn.com/profile-photo-MsMirna-48x48.jpg?cb=1530507264 "You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing -- that's what counts. I learned very early the difference between knowing the name of something and knowing something." - Richard Feynman