开卷有益
To open a book is aways beneficial
A book that is shut is but a block
开卷有益
解释：开卷：打开书本，指读书；部分国：好处。读书总有好处。
出处：晋·陶潜《与子俨等疏》： “开卷有得，便欣然忘食。”
反义成语：读书无用
Reading enriches the mind
Some thing is learned every time a book is opened .
reading is always beneficial .
Reading enriches the mind .
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