践诺
- na.keep one's promise [word]
- 网络Keeping the Promise; commitment; underpromise and overdeliver
 践诺
践诺践诺
Keeping the Promise
commitment
英国皇家空军特勤生存手册 ... 勇气( courage) 践诺( commitment) 坚定不移( perseverance) ... 
                underpromise and overdeliver
...承诺。在此,我还得引用下霍华德的名言,‘少承诺,多践诺(underpromise and overdeliver)’。”
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