Don't worry about it. It's a taken of my appreciation for your business, and friendship.
没关系的。这是向你表示我们在生意及友谊上的一点心意。
In the same way, a Russian might fail to see anything amusing in a joke witch would make an Englishman laugh to tears.
同样的道理,一则可以令英国人笑出泪来的笑话,俄国人听了可能觉得没有什么可笑之处。