The seniors are technical experts, belonging to the pragmatic school of thought. For a doctor, the most important thing is to cure the patient's illness; whatever else you say, what use is it? It's of no use at all.
Xie Wanying suddenly thought of Senior Cao's handkerchief and asked the oldest sister apprentice, "Where can one buy a handkerchief?"
"Are you buying it to give to someone?" Knowing that the junior sister apprentice didn't use handkerchiefs herself, Lau Jingyun asked.
"Not to give to someone, it's just—" Xie Wanying was embarrassed to say that she might have ruined someone else's handkerchief with disinfectant.
Lau Jingyun looked at her expression and guessed what was going on, and said with a laugh, "Wait for the weekend, and I'll take you to the department store."