C44

The old Daoist yawned again and said, "One look at your feet and I'll know."

I looked down at my feet and saw the red mark on my ankle.

I said, "Since you know, then hurry up and help me!"

The old Daoist looked impatient as he said, "Catching ghosts requires us to talk about the times and the places. Look at the weather, it's sunny and we can't even see a shadow, let alone a ghost