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这个系统运行得就像一台上了油的机器。
The system ran like a well-oiled machine.
《牛津词典》
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一台没有油的发动机就象一个没有血的人。
An engine running without oil will last about as long as a human without blood.
youdao
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一台没有油的发动机就象一个没有血的人。
An engine running without oil will last about as long as a human without blood.
youdao