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.

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。

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”。

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。

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！

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。

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。

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。

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。

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。

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。

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。

She was wearing a white hat.

她戴着一顶白帽子。

He is in a white hat.

他戴了一顶白色的帽子。

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

红客是信息时代的无名英雄。

He asked if you had white hat.

他问你是否戴着白色的帽子。

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。

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。

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。

Did you see the girl in white hat?

你看到过戴白帽子的女孩了吗？

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？