By skill, I mean the tools to handle the studying and learning demands placed on you, like how to read with purpose, when and where to get assistance if you are having difficulty.

所谓技能，我指的是应对研究和学习要求的工具，比如如何有目的地阅读，遇到困难时在何时何地能够得到帮助。

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If by now your head is spinning with all the tricks, terminology, and details relevant to the fight against Web spam, you get a sense of the seriousness and difficulty of the issue.

如果此时，您的脑海里尽是与抵御Web垃圾信息相关的这些技巧、技术和方法，那么您就对问题的严重性和困难程度有了大致的概念。

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“They have great difficulty with that, ” Rabbi Goldwasser went on, “and they say to me, ‘But isn’t it true that by fasting you get atonement for your sins?’

“要他们在斋戒日吃食十分困难”。 拉比Goldwasser继续道，“他们会对我说，‘可是不是通过斋戒可以赎罪吗？’”

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