Which of these expressions should an american businessperson avoid in a meeting with foreign business representatives?

1. Avoid being ironic or sarcastic.This is because not all humorous statements could be understood or could be humorous to all other cultures in the world. There is some humor which cannot be explained or understood well by other foreign people. 2. Do not use complicated languages for reasoning or for giving concepts.This is to avoid any miscommunication between two parties and also to provide them access to use their own languages. 3. Avoid being discourteousIf you are in doubt, don't rush or panic. Make sure to call people using their first names if you don't have any idea if he or she is a male or female.