We fill our cars to drive to work, where buildings must be heated in winter, supplies must be shipped, products trucked and executives jetted hither and yon.

• 要给车子加油才能上班，上班的大楼冬天时必须供应暖气，所需物品需要被运输，生产的产品更需要卡车运送给客户，到处都在启动引擎。