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。
that the traveller abroad thereby denies himself the opportunity of getting to know the people of the country visited.
说这种封闭的作法使到国外旅游者失去了了解所去国家人民的机会。