C161 How do you know how to pinch

Chen Yao giggled: "How do you know to pinch?"

Zhang Wei: "Wang Yan follows behind you everyday, what don't she tell you? You must have already known about it."

"Haha …" Chen Yao laughed complacently: "You're right, Chef Zhang is very good at summarizing."

"No, I'm far worse than you," Zhang Wei said seriously. "I've found a problem