In foreign trade, language differences are very important.
Yes. If people can not communicate with each other easily, they can not understand each other's way of thinking.
Fortunately, there is a widely-spoken commercial language, namely English.
Many exporters speak French and German as well.
In South America, the most common language is Spanish and Portuguese.
Even if the language is accurate, a misunderstanding can not be avoided due to cultural differences.
Yes, the language is a part of culture. It reflects a nation's character.
Yes, it not only includes the nation's historical and cultural background, but also contains the nation's view of life way of life and way of thinking.