When I was out with my friends drinking beer, I always was very aware of those words --  -- and very careful. One of the things that has happened with technology is that it can only be helpful if it is useful, of course, but it can only be helpful too if it's accessible, and it can only be helpful if it's affordable.
当我在外面和我的好友喝啤酒的时候， 我总是会想到这些话  然后就很小心。关于科技，我的心得是 显然，科技有用才会有益， 只有可获取才会有益， 只有可负担才会有益。