• Due to a lack of customers from many countries from each country are not the same. Sometimes I don't understand what he's saying, it's a guide to help customers to understand and explain.
• Because customers come from many countries, the language of each country is different. Sometimes I do not understand what she said. It guides help clients understand and explain.
* due to customers from various countries accent of each country is different. Sometimes I don't understand what he said. The guide and help explain to customers to understand.