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。
2
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.