Two days later, Susan was immersed in the office thinking about how to use the evidence in his hands, and heard the colleagues at the counter shout one by one.

"Susan, there is a package."

"Thanks, come right away." Susan walked to the door of the office with suspicion. She probably didn't buy anything online recently.

"Miss. Susan, please sign here."

"Oh, thank you..." Susan looked at the big box in front of her, and Susan was even more puzzled. She glanced at the courier brother, picked up the brush and signed the name, took the bag and found that it was ice cold. What is it?

When she returned...