C3773 It Seemed to be a Breakthrough Point

"Professor Qin, this is the recording you wanted." Ma Di said.

In order to make the recording perfect, he wrote down the entire process of the incident on a piece of paper and then revised it over and over again.

After making sure that there were no mistakes, he turned on the recording pen and recorded it once.

The whole process took more than an hour.

"Thank you." Qin Luo nodded