encourage;urge;spur(on) 精神～ moral encouragement/物質(zhì)～ material incentive/～他克服困難encourage him to overcome difficulties/～先進(jìn)，鞭策落后encourage those who are advanced and spur those who are backward/～先進(jìn)，照顧多數(shù)encourage advanced elements without neglecting the majority/～性價(jià)格incentive price