词典释义：
释义
sign a register to record one's departure, typically from a hotel
（尤指从宾馆）登记离开。
双语例句
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Sign out before you exit the building.
离开大楼前签名登记离开。
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Please sign out before you leave.
走的时候请先签字再离开。
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Didn't you see the sign out front?
你没有看到前面的标志吗？
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Well, first, I'll take the minus sign out.
首先，把负号拿出来。
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Return keys to the clerk and sign out.
上交钥匙给文员并签离。