bepreparedforanycontingency以备不虞
buildirrigationworkssoastohavenoworriesaboutdroughtorflood;兴修水利,水旱无虞
besecureagainsthungerandcold无冻馁之虞
YuYunwe虞允文
eachtryingtocheattheother尔虞我诈
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