Enter the airport 3 hours in advance, go through security inspection leisurely, and then sit in front of the boarding gate 1 hour in advance and watch the passengers who heard the last boarding reminder fly past in front of them. Is this feeling of "taking control of your life in your own hands?" I have to remind you:If you have never missed a plane, chances are you are wasting too much time at the airport.

source:pixabay

It sounds counterintuitive-why would anyone risk missing a flight? -- But there is logic in it.

How early is the most cost-effective way to get to the airport?

This term was first proposed by Nobel Prize-winning economist George Stigler, and now mathematics professor Jordan Ellenberg writes in his book "How Not Wrong:The Power of Mathematical Thinking