C109
The middle-aged woman had already walked up to Su Ying. She saw Su Ying answering the phone, so she didn't interrupt. Instead, he found a seat opposite of Su Ying and sat down.
When Su Ying saw this middle-aged woman, he lightly smiled and nodded to her to show his courtesy.
The middle-aged woman also smiled at her and nodded.
After hanging up.
"Hello, Auntie. I'm Su Ying