求翻译：　　凯迪拉克在中国销售产品共有SLS赛威、SRX、凯雷德、CTS-V等车型，其中只有SLS赛威在中国国产，其他车型都是进口，而德系豪华车品牌不仅在中国引进全产品系车型，还对多款车型进行量产，这其中最重要的是这些车型一直在迎合市场，进行及时更新换代。是什么意思？

Cadillac models in China sell products Total sls Seville, SRX, Escalade, cts-v, etc., of which only sls saiwei in Chinese-made, other models are imported, the German luxury car brand, not only in China the introduction of product-wide models, but also for mass production of vehicle%2