C170 Find out the Clues

Twenty minutes flew by in the blink of an eye.

Kathleen had absorbed a wealth of knowledge on treasure appraisal and closed her eyes to concentrate.

Yuh Wenming watched Kathleen's contemplative face and chuckled, "There's a lot to remember. It's perfectly normal if you can't keep it all straight."

After all, mastering the knowledge at hand was what truly mattered