salesmen have to drive in order to 是什么意思？

没有完整的上下文，无法确定该句的确切含义。"Salesmen have to drive in order to" 句式通常需要接上一个动词或者名词短语来表达完整的意思。例如：

为了拜访客户，销售员需要开车。Salesmen have to drive in order to visit their clients.

为了运送产品，销售员需要开车。Salesmen have to drive in order to deliver their products.

为了参加销售会议，销售员需要开车。Salesmen have to drive in order to attend sales meetings.

为了到不同的工作地点，销售员需要开车。Salesmen have to drive in order to travel to different locations for their work.

因此，只有完整的句子才能确定它的确切含义。