No matter when and where, in no circumstances can we deny the great importance of manners.

无论何时何地，我们都不会否认礼貌的重要性。

Firstly, a person with good manners is often considered to be more trustworthy and easygoing, which helps him make more friends and get needed help from others.

首先，一个有礼貌的人往往被认为是更值得信赖、更随和的，这有助于他结交到更多的朋友，得到别人的帮助。

Besides, people are more willing to show their respect to the polite people and cooperate with them, bringing them many opportunities to change.

此外，人们更愿意尊重有礼貌的人，与他们合作，这会为他们带来很可以改变的机会。

Still most importantly, being polite helps reduce misunderstanding between people, contributing to a harmonious and enjoyable relationships.
还有最重要的是，礼貌有助于减少人们之间的误解，促进和谐、愉快的关系。