地球并非刚体,其对力的响应必须用适用于可变形介质的方法来处理。
The more you know, the more you realize how little you know.
我努力把每一天都当作生命的最后一天来生活。
The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.
伦理学的任务不是提供答案,而是澄清问题。
消费者的选择推动行业变革,要大力教育他们。
The future of agriculture lies in technology and sustainability.