concept car的用法和樣例：
例句
- Thus far, it might qualify as the biggest and baddest solar concept car around!
迄今為止，這款沃爾沃可能是體積最大同時也最為拙劣的太陽能概念車。 - The combustion engine is a cutting-edge turbodiesel featured for the first time in the BMW EfficientDynamics Concept car.
內燃機是一種先進的渦輪增壓的高效動力的寶馬概念車首次特色。
