I like this idea when I heard it for the first time. Not everyone can accept this, some of my friend feel that it’s a selfish thing to do. I don’t try to sell this concept, but I think we can think about it. Why? I’d like to use one real world example. When we’re on a plane, the flight attendants will do some demonstration about safety. How we buckle up our belts, point out the emergency exits and it […]
