C237 Electric Light Bulbs

Not daring to ask Chen Mo Xuan himself, Fang Jin asked Chen Ling'er, who was sitting to her right, Do you know what happened to your brother?

Chen Ling'er was a bit hesitant. She should know, right? Or did he not know? After thinking it over, she still shook her head, pretending that she didn't know.

In fact, she had a guess as to why her brother was so unhappy. In the past