Correct or improve the translation of the following English sentences.A tip in cash would be a reminder of their service role, whereas the offer of a drink is a friendly gesture.译文：现金小费会提醒他们的服务角色，而请他们喝一杯则是友好的表示。

Correct or improve the translation of the following English sentences.A tip in cash would be a reminder of their service role, whereas the offer of a drink is a friendly gesture.译文：现金小费会提醒他们的服务角色，而请他们喝一杯则是友好的表示。

现金小费会使人想到酒保是伺候人的，而请他们喝一杯则是友好的表示。