技术在矿物开采中应该同时服务于效率和道德。
Technology should serve both efficiency and ethics in mineral extraction.
The press is the best instrument for enlightening the mind of man, and improving him as a rational, moral and social being.
The beauty of a well-designed algorithm lies in its simplicity and efficiency.
It requires indeed some courage to undertake a labor of such far-reaching extent.
我不喜欢被告诉不能做什么。