关于我的旅程，我最怀念的是当地社区真诚的友善。

What I remember most about my trip is the genuine ___friendliness of the local community.

他与生俱来的友善使他在新学校很容易交到朋友。

His natural ___friendliness made it easy for him to make friends in the new school.

这家商店的成功很大程度上归功于店主对每一位顾客的个人化友善态度。

The store's success is largely due to the owner's personal ___friendliness toward every customer.