US importers can expect another year of supply bottlenecks and rising supply-chain costs because of congestion in west coast ports, transport industry executives and analysts have warned.

• 运输业高管和分析师警告说,美国进口商可以预期供应瓶颈今年将再次出现,且供应链成本上升,因为西海岸各港口非常堵塞。