C1512 Medical expenses

"What is this?" As soon as they got on the car, Tang Ning received an envelope from Ning Xiaomei with a thick stack of envelopes inside.

"Bonus." He told the driver to drive, smiled at Downing, and said, "You deserve this." He gestured to her to open it.

Tang Ning expressionlessly took it and opened it, then returned it to him. "This is too much