Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

The energy transition is not just about switching fuels; it's about transforming the entire energy system.

Editing is not just about cutting and joining scenes; it's about finding the rhythm and soul of the story.