a.
- 有幫助的，有益的，有利於……的[（+to）]He has given me a helpful suggestion.
他給我提了一項有益的建議。
It's always helpful to be well informed.消息靈通總是有益的。
She has been very helpful to us.她對我們很有幫助。
衍生
ad.
helpfully
n. [U]
helpfulness
辨析
反義:
a.「有益的」的反義字
helpless同義參見:
constructive valuable accommodating kind favorable expedient profitable advantageous useful obliging beneficial curative
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