He can predict a typhoon by rule of thumb.
他能凭经验预测出台风。
The industry's rule of thumb is that MPS can cut costs by around 30%.
此行业的经验表明打印服务管理可以降低大约30%的成本。
He's quite untrained but he can build a greenhouse by a rule of thumb.
他没有受过什么训练，但能凭实际经验建造温室。
He's quite untrained but he can build a greenhouse by a rule of thumb.
他没有受过什么训练，但能凭实际经验建造温室。
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