4. 對於運費支付時間點，請說明貨櫃航運及散裝航運可有不同?

5. 請將下列英文翻譯成為中文? “Green Shipping”: is when people or goods are transported through ships using minimum resources and energy as possible, to protect the environment from the pollutants generated by the ships. Green shipping promotes cleaner practices to enforce emission control, efficient port management, and equipment management.