C1126 The Feeling of Spending Money

"Power bank?" Cheng Xuan whispered, "I don't have one with me. Let me ask around."

He turned to the people next to him to inquire, but they didn't have one either and started asking others nearby...

Soon, the back of the lecture hall buzzed with activity as the noise level rose, drawing the teacher's gaze from the podium.

Students instinctively feared their teachers