math as foundation of other menal activities

来源: ##^^## 于 2010-04-14 16:51:07 [] [旧帖] [给我悄悄话] 阅读数 : 0 (163 bytes)

just like running as foundation of other sports.
If you become a runner, it will be too much.
You can always tell whether a person had a good
foundation.

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