正是酒店员工的友善让我们的住宿如此难忘。

It was the ___friendliness of the hotel staff that made our stay so memorable.

这个小镇以其当地人的真诚友善而闻名。

The town is known for the genuine ___friendliness of its locals.

他与生俱来的友善使他在任何社交场合都能轻松建立联系。

His natural ___friendliness helps him make connections easily in any social situation.