C19 My sister seems to be abroad?

For a time, Xu Yingyang stood at the doorway, listening through the crack in the door. He did not close the door. Suddenly, he felt that there was something very important at stake. You can't leave out a single word.

However, the next piece of information shocked her even more.

Although she didn't know who he was talking to on the phone, nor did she know how he had replied to her