If you're familiar with XML, it is easy to learn the basics of XSLT, though mastering the language takes some effort.
如果您对XML比较熟悉的话，那么就很容易掌握XSLT的基本知识，但是要精通这种语言就需要费一些功夫。
This shows fully convincingly that mastering a language is nothing easy at all. It needs the right environment for leaning it and requires years of accumulation.
这充分说明了学好一门语言绝对不是一件简单的事情，是需要环境和多年积累的。
If you are familiar with XML it is easy to learn the basics of XSLT, though mastering the language takes some effort.
如果熟悉XML，学习XSLT的基础并不难，但精通这门语言还是需要很大的努力。
Mastering the technique of meditation is not easy.
掌握冥想的技巧并不容易。
It is easy to use a water level to measure things, but you need to do many experiments before mastering it.
水准仪的测量方法很简单，但也需要通过多次的实践才能够掌握。
We also conduct classes in varied and dynamic ways, with English activities, games, dramas, songs, and movies. It makes mastering English easy and fun!
采取灵活多样的英语教学方式，如：英文趣味活动、英文游戏、英文话剧、英文歌、英文电影等方式使您轻轻松松、不知不觉、自然而然掌握运用英文。
We also conduct classes in varied and dynamic ways, with English activities, games, dramas, songs, and movies. It makes mastering English easy and fun!
采取灵活多样的英语教学方式，如：英文趣味活动、英文游戏、英文话剧、英文歌、英文电影等方式使您轻轻松松、不知不觉、自然而然掌握运用英文。
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