If they call correctly, they win a dollar from those who called wrong.

如果猜对了，他们将从猜错者的手中赢得一美元。

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The point is that you should be familiar with the pitfalls and quirks of the various API functions you call, and if they pose any sort of security risk, ensure that they are used correctly.

重点是，您必须了解各种api函式的漏洞和缺点，如果有任何安全性的风险，就必须确保使用方式正确。

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