英语语法分析

Precautious use can protect the engine in time from mechanical damage due to reduction of wear and tear and improvement in lubrication.

预防性使用能及时保护发动机，这是由于磨损降低和润滑性改善，以减少机械损伤。

We are also precautious of unusual tides of policy surrender and will improve the emergency response mechanism with regard to such surrenders in life insurance.

二是提防可能出现的非正常集中退保，完善寿险行业退保应急机制。