Manners matter in all countries, but cultural missteps could cause you to lose out on an important client or business deal. How much do you know about doing business on a multicultural international stage? Cultural faux pas, such as mistreating a business card or declining an invitation, could be costing your freelance business some lucrative deals with overseas organisations and international clients. At Buzz Marketing Solutions after working and living in Asia, the Middle East, and Europe, we've learned the hard way how to navigate across many awkward circumstances. A lack of understanding of business cultural etiquette has been identified as a major issue for Australian executives with 1 in 3 admitting to inadvertently causing offense out of ignorance. Even something as simple as a woman initiating a handshake could…