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。

I think it's important to have a sense of humor about yourself and not take yourself too seriously.

Man is so much the voice of his interest that it is not enough to make him see the right， but you must make him feel it.

I can't go on, I'll go on.

设计不仅仅是让事物变得美丽，更是让它们更好地运作。