"Hello? Professor He?" Gu Nianzhi asked as she answered her phone. She didn't know what he needed from her on a Sunday night but, even though they had just been together that morning, she was his teaching assistant, so it was normal for him to call her at odd hours.
He Zhichu held his phone with one hand and put the other in this trouser pocket. He stood in front of the French windows and watched the beautiful dusk sky as he listened to Gu Nianzhi's voice. He certainly enjoyed the sound of her voice, but he also thought he heard background music, people chatting, and the sound people placing orders. He Zhichu's expression warmed, but his tone was still aloof. "Nianzhi, did you finish the Powerpoint presentation for the undergraduate students?"
Gu Nianzhi replied quickly, "I just finished it at the library this afternoon but didn't send it to you yet. I'm out at dinner right now. I'll send it when I get home."