What about the Chevrolet engine?

(1) The American engine has good quality and high fuel consumption. Everyone knows that Chevrolet is an oil tiger, which is related to its engine technology.

(2) Many domestic products are made in China and South Korea, not even American technology. Generally speaking, it is only average in domestic engines.

Driving force: the source of all forces, mainly divided into mechanical and management categories,

(1) Various forces that make machinery do work, such as water, wind, electricity, etc.

(2) Metaphor is the power to promote the progress and development of work and career. Example: The people, only the people, are the driving force to create history.