welcome and greet guests in front of the function room.这句话是什

function room
贵宾厅
欢迎和问候在贵宾厅前的来宾
再问： the first courst is served once drinks are served to all the guests or according to their request.什么意思
再答： 一旦饮料被送到来宾桌上，或者根据来宾的要求，第一道菜就可以上了