短語詞組短語a conservative estimate 先前的統(tǒng)計;保守的估計;據(jù)保守的評估conservative estimate in cases 保守估計在個案;保守的估計;保守估計的情況下at a conservative estimate 據(jù)保守的評估on a conservative estimate 據(jù)保守估計 返回 conservative estimate