C1927 The Things the Geeks Love the Most

Mary heard him and looked at Zhang Hongrui with an encouraging look in her eyes. Zhang Hongrui said nervously, "Ancestor, ever since the energy revolution broke out, our economic structure has changed."

In the following time, zhang Hongrui seriously explained the relevant knowledge to Yang Ling. Not to mention, the content was much more detailed than what Liu Muhan had said.

After all