Knowledge and information might be out of date before we know. Skills might not be useful any more when they grow up.
知识和信息也许很快过时，到了他们长大的时候一些技能已经用不上了。
Knowledge and information might be out of date before we know. Skills might not be useful any more when they grow up.
知识和信息也许很快过时，到了他们长大的时候一些技能已经用不上了。
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