求翻译：英文客服的主要职责是与外国客人的沟通，要熟悉公司产品的特性与功能等特点，为客人解决对公司产品的疑问及货运等问题，沟通方式有email、MSN还有live chat，因为要达到良好的沟通速度及效果，固需先对公司的产品特点及用途都要了解清楚。是什么意思？

English customer service's main duty is to communicate with foreign guests, to familiar features and functionality of the product characteristics, resolved product questions for guests and issues such as transportation, communication methods email, MSN or live chat, because to achieve good communication speed and effect, solid first on product characteristics and uses of a company to understand clearly.