"开卷有益"是个多义词，它可以指开卷有益（汉语成语）,开卷有益（手机软件）,开卷有益（武汉电视台读书访谈栏目）。
开卷有益，是古人奖励读书的一句成语。
The idiom that reading is always profitable is used to encourage reading in ancient.
记者：你是怎样看待“开卷有益”这句古训的？
Reporter: How do you consider such an ancient motto as "Reading is always beneficial"?
(开卷有益)一本好书打开带希望，闭上带收获。
That OS a good book which is opened with expectation and closed with profit.
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