Sunk costs are costs that cannot be changed by any decision in the present or in the future because a decision has already occurred in the past. Specifically, it is a non-recyclable resource that has been invested, including time, money, energy, etc., and is an economic concept. How to get rid of the sunk cost constraints: 1⃣ Once the sunk cost is formed, it is necessary to admit the reality, stop the loss in time, admit the loss, do not dwell on the past, and immediately change the track to ...

Sunk costs are costs that cannot be changed by any decision in the present or in the future because a decision has already occurred in the past. Specifically, it is a non-recyclable resource that has been invested, including time, money, energy, etc., and is an economic concept. How to get rid of the sunk cost constraints: 1⃣ Once the sunk cost is formed, it is necessary to admit the reality, stop the loss in time, admit the loss, do not dwell on the past, and immediately change the track to ...