Perhaps the one skill that is the mechanical engineer's exclusive domain is the ability to analyze and design objects and systems with motion.

而让机械工程师显得独一无二的能力是：分析及设计动态的物体及系统。

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He teaches us that skill and force are not exclusive to gentleness or kindness.

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One of the goals of the law is to foster creativity, so people will invest the skill and effort needed to create works to which they will own exclusive rights, such as books, paintings, music and movies.

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