第三，很重要的一点是要知道在过去20年里，美洲印第安人在更受欢迎的公共部门职位中所占比例是否有所增长。
Third, it is important to know if there has been growth in the American Indian share of more desirable public-sector positions over the last two decades.
第三，我们还需要知道我们所学语言国家的人民的生活方式才能妥当地讲他们的语言。
Third, the lifestyle of the people whose language we are learning is also something we need to know in order that we can speak their language properly.
本系列的第三篇文章中，我还将讨论cdata节，现在只要知道它们比转义更安全就足够了，因为cdata节不能包含另一个cdata节。
I will revisit CDATA sections in the third article in this series, but for now, suffice it to say that they are less safe than escaping because one CDATA section cannot include another CDATA section.
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