The learning style of part-time master's education is more flexible. For on-the-job learning, the simple way to distinguish is to recruit on-the-job employees to collect some antiques at grandma's house, including a large number of scissors by Pockmarked Wang Er, a butterfly pedal sewing machine and a Phoenix tricycle. "Grandma, things change with each passing day. What are you still doing with these? " "Son, you don't understand. These things have a feeling after being used for a long time. They are irreplaceable. " Oh, I seem to be awake. Yes, some things are really irreplaceable.

Some things are irreplaceable because they carry memories. Sometimes I will dig out the yellowed photo album and recall it with my family in the evening light. "Look, how slim my mother was then!" "Oh, look at the baby's mess!" "Hey, isn't this his uncle? He's dead.