在经济日趋全球化的今天，一家总部设在东部的公司，其工厂却可能在千里之遥的资源相对丰富而劳动力相对低廉的西部；北半球跨国公司的老板可能要频繁往返于其位于南半球的分公司；“更快的速度、更高的效率”，“节约时间、跨越空间”是商务活动对运输方式提出的更高层次的要 Today, an increasingly globalized economy, a company with a headquarters in the east may plant thousands of miles away in relatively abundant resources and a relatively low-cost workforce. Owners of multinationals in the northern hemisphere may have to travel frequently to and from their southern hemisphere Company; “Faster Speed, Higher Efficiency,” “Time Saving, Leaping Space” is a higher level of business activity that is proposed for shipping