没有人知道你在想什么，除非你开口告诉他们或做给他们看。
Nobody knows what you're thinking until you tell them (or show them).
他们之中没有人是技工；他们全是科学家，开口闭口都是量子能阶与频谱，而不是齿轮或者擒纵器。
There was not a mechanic among them; these were scientists, and their conversations buzzed with talk of spectrums and quantum levels, not gears and escapements.
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