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According to the meaning below, please give the popular usage in the US or the UK.

1) High salary for keeping the probity of civil servants
Or
2)High salary for honest and clean civil servants
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Is this a headline? If so:

'High salary ensures honest civil servants'

. . . but I don't believe it!
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'SNOUTS IN THE TROUGH
KEEP NOSES CLEAN'
Whitehall Chief Tells Beijing
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Comments  
Poor China govt learnt this tactic from the US and the UK...
 MrPedantic's reply was promoted to an answer.
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