idiomto be something that would beuseful,clever, orenjoyableto do:明智的事Puttingyoursavingsin a high-interestaccountis a goodbet.把你的积蓄存进高利率储蓄户头是明智之举。SMART Vocabulary: related words and phrasesUseful or advantageous
advantageous
advantageously
all-singing
amiss
asset
fecund
foil
fruitfully
fruitfulness
functionally
gainfully
general
productive
productively
profitable
profitably
repaysomeone'seffort, time, attention, etc.idiom
sniff
win-win
worthwhile
See more results ?(Definition ofbe a good betfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/good-bet##