C224 What a Perfect Explanation

Chen Dafei thought for a long time before slowly saying, "Director Zhang, the thing is, I was pushing a bus to pick up the call, but there were too many people, and as you know, that kind of situation was very difficult. As a result, I accidentally ended up with my phone hanging up. Then I tried to call you, but, alas, someone next to me touched me and pressed the off button