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最好的技术是无形的——它只是无缝地运作。
The primary rules of obligation are those that require or forbid certain actions.
You have to be able to admit when you're wrong and move on.
数字技术的融合将彻底改变传统煤炭开采方式。
The rule of law is a political ideal, not a legal concept.
在肉类加工行业,安全和卫生应该始终是我们的首要任务。