C468 Trouble

"Then I'll be troubling you. I want to know my physical condition at any time." Duan Lingfei said.

"Your idea is correct. If you are out of the normal trajectory, then there will be even more mistakes. So, you have to come here regularly, so I will do a thorough check up on you." The Professor Lin said.

But no matter how Duan Lingfei looked at it