The handset business has been a big problem for Siemens, whose main expertise lies in heavy engineering and communications networks rather than consumer electronics, from which it is retreating.

• 对于西门子来说，手机业务一直是个大问题，因为它的主要专业优势在于重工工程和通讯网络，而非电子消费品，该集团目前正在退出电子消费品领域。