C145 I understand

If Luo Yuan had hung up the phone from the start, Liu Erhu would have definitely known that it was not convenient for Luo Yuan to pick up now. Now, when Liu Erhu saw that Luo Yuan was busy with something, he dialed Luo Yuan's number.

"A toast to tomorrow. A toast to the past. " Just as teacher was about to continue with her lesson, Luo Yuan's bell rang again