如果你大學念的是工科，那麼一年級學的東西，可能有一半到了畢業已經過時。

if you are studying a technical topic at a university, half of what you learned in your freshman year might be obsolete by the time you graduate.

出處：Grown Up Digital http://www.amazon.com/gp/product/0071508635?ie=UTF8&tag=a0b8a8-20&linkCode=as2&camp=1789&creative=9325&creativeASIN=0071508635
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