This is from their rule book, the International Astronomical Union.
规则书上写到，国际天文学联合会
They speak by rule and by book, though they judge and determine by common sense.
他们尽管凭常识作出判断，但却按规则和本本讲话。
Finally, the rule book states that a horse should be allow to quietly chew the bit.
最后，规则里面还说，马匹应当被允许轻轻的咀嚼衔铁。
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