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The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.
你容忍什么,就会得到什么。
能源转型不仅仅是更换燃料;它关乎整个系统和思维方式的转变。
技术应该是无形的。当它运行得最好时,你甚至不会注意到它。