________________________Tom O'Brien is a transportation expert at California State University, Long Beach. He says long-term problems at the ports must be addressed. "The fact that we have larger ships coming now, that is creating peak demand for labor and for equipment is putting a lot of pressure on our infrastructure, not only the ports, but the road network, rail capacity, distribution center and warehousing."_________________________Tom O'Brien是加利福尼亚州大学长滩分校的交通专家,他表示必须解决港口长期存在的问题. "现在我们拥有更大船只要进港,这将对劳动力和设备需求达到顶峰,而这一事实将给我们的基础设施,不仅仅是港口,还有公路网、铁路运输承载力、物流中心和仓储业形成不少压力."
