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If everything was perfect, you would never learn and you would never grow.
如果一切尽皆完美,你永远不会学习,你永远不会成长。
null adj.
[nʌl]
lacking any legal or binding force
零值的,等于零的,无效的
例句:
The marriage was declared null and void.
婚事已宣告无效了。
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