C137 The Way to Adjust His Height

After saying that, Shi Lei naturally understood what she meant. However, he ignored her and turned his head to ask, "Zhuang Yan, what you said is very right. Also, what other discoveries do you have?"

"Actually, there is another very obvious problem! I just don't know if you guys have discovered it!"

Shi Lei reminded. To him, Zhuang Yan was absolutely smart