In this installment, you'll learn the white hat SEO top-left-down method of keyword optimization that helps you choose and optimize the right keywords for your site.

1、

Another approach is the white hat method: using security and forensic tools to examine your existing installation, determine the holes, then lock your system down based on what gaps you find.

另一个办法是白帽子法：通过安全工具来检测您目前已经安装的软件，查找漏洞，然后关闭您的系统。

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Hackers who commit crimes are known as "Black Hat" hackers; those who fight to prevent crime are known as "White Hat" hackers.

干坏事的骇客被认为是“黑客”，那些为防止犯罪而对抗的被认为是“红客”。

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Knowing this, if the middle man saw a white hat in front of him, he'd know that his own hat was black, and could answer the question correctly.

要知道，假如中间的人看见前面的人戴着白色帽子，他就会算出自己戴着黑色帽子，他就会做出正确的回答。

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How lovely Dora looked, in her sky － blue dress and white hat, when I met her in the garden in front of the house!

在门前的花园里我遇见了朵拉，多么可爱的朵拉，穿一身天蓝色的衣服，戴一顶白色的帽子！

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And you'll get information on other white hat SEO strategies, and learn how to address infrastructure concerns to improve your site's attractiveness to search engines.

另外，还将了解其他白帽SEO策略，并学习如何解决基础设施问题来提高站点对搜索引擎的吸引力。

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However, keyword optimization is a valid white hat SEO practice because determining and focusing on what your pages are about improves the user experience.

然而，关键词优化却是十分有效的白帽SEO技术，因为判断和关注页面所表达的内容主题会改进用户体验。

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Dzhokhar, wearing a white hat in this image taken near the marathon bombings, is on the run.

在马拉松爆炸附近拍到的这张照片中，戴着白色帽子的杜克哈尔正在逃跑当中。

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He is believed to the suspect wearing a white hat, seen in surveillance footage released today.

据悉，这名男子正是今天FBI公布的监控录像中戴白色帽子的嫌犯。

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Her great white hat with its vulgar. showy flowers was an affront.

她的大白帽子印着庸俗刺目的花朵，本身就是一种挑衅。

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She bought a white hat embellished with pink roses.

她买了一顶用粉红玫瑰装饰的白帽子。

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Some hackers doing bad things, some doesn't, we called them white hat hackers.

有些是恶作剧，也有些是白骇客，也就是好骇客。

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12、

She was wearing a white hat.

她戴着一顶白帽子。

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He is in a white hat.

他戴了一顶白色的帽子。

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White Hat hackers are the unsung heroes of the Information Age.

红客是信息时代的无名英雄。

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15、

He asked if you had white hat.

他问你是否戴着白色的帽子。

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It's very interesting because your father was the one who got you the white hat.

很有意思，因为是你父亲给了你白帽。

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The prince wore a white hat to match his suit.

为了与白色外套相搭配，王储戴了顶白帽子。

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Her white hat and shoes correspond with her white dress.

她的白帽、白鞋和她的白色衣服配衬得很好。

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Did you see the girl in white hat?

你看到过戴白帽子的女孩了吗？

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Why does a cook wear a high, white hat?

为什么厨师要戴一顶高高的白帽子呢？

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