Some suggestions for optimization and technical revamps were made, too.

提出了进一步优化的建议和技术改造设想。

Chief Executive Officer Dan Akerson is hastening the development and introduction of new models as the automaker revamps a lineup that is older than that of rivals such as Ford Motor Co.

由于通用公司需要翻新比像福特汽车公司这类竞争对手更加陈旧的生产线，首席执行官Dan Akersn正加速新车型的开发和推行。