柴油发动机可以使用植物油作为燃料,这将极大地促进使用该技术的国家的农业发展。
Writing is the only profession where no one considers you ridiculous if you earn no money.
混凝土是我们时代的大理石,一种民主的材料。
I've learned that you can't control everything, but you can control how you react to it.