The Difference

"What do you mean?"

In the subway car, Cheng Sihan looked at Beta's outstretched hand and asked.

"There are other communication devices on the phone. For now, allow me to take care of it," Beta said with a smile. "It's not just you... you should know that teacher has always been very cautious. Many people are looking for him now... not only you and your sister but some other guys, including those guys in Greek and Roman mythology. It's always good to be careful."

Cheng Sihan frowned, but she still reached out her hand from her pocket and handed over her phone after a moment. "Don't lose it. I still have a lot of important things on my phone."