最好的儿童书籍是那些不会居高临下地对孩子说话的书籍。
"The best children's books are the ones that don't talk down to children."
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。
The best biographies are those that make the reader feel they have met the subject in person.
我坚持自己的信仰，绝不退缩。