Buy a mobile phone for the proprietress.

In this case, one sentence can be said: "What brand of mobile phone does she like? I can help her choose the right mobile phone. "

1. Expressing concern: Asking the proprietress's favorite mobile phone brand shows that she cares about their preferences and needs, which helps to enhance the relationship.

2. Understand the needs: By asking, you can understand the specific needs of the proprietress for mobile phones, such as processors, cameras, memory, etc. So as to choose a more suitable mobile phone for her.

3. Show respect: Ask the proprietress about her preferences, show respect, and make her feel that her opinions and needs are taken seriously.

4. Improve the shopping experience: Asking the boss's needs actively will help improve the shopping experience and make her feel satisfied.