他们的礼貌给我们留下了深刻的印象。

We were impressed by their ___politeness.

此外，我还有其他品质，比如礼貌，因此我能够照顾公众成员。

Moreover, I have other qualities such as ___politeness, thus I am capable of looking after members of the public.

礼貌在客户服务中至关重要。

___Politeness is essential in customer service.