MG提升车辆性能, MG is boosting vehicle performance without creating a new sub-brand.
MG正在提高其车辆性能,但不会为此创建新的子品牌。 MG is enhancing its vehicle performance but won't create a new sub-brand to do so. 汽车制造商的目标是改进现有型号,而不是为高性能汽车另设一个品牌。 The car manufacturer aims to improve existing models rather than launching a separate brand for high-performance cars.
MG提升车辆性能, 
MG is boosting vehicle performance without creating a new sub-brand.