Tax-Free Article 免税品 ; [税收] 非课税品
a tax-free article 免税商品
duty-free article 免税物品
article free 无税商品
Article 10 of the European Convention guarantees free speech.
《欧洲公约》第10条保障言论自由。
Publishers have responded to the demand that they make their product free to readers by charging their writers fees to cover the costs of preparing an article.
为满足免费向读者提供文献的需求,出版机构通过向作者收费来负担其准备论文的费用。
This Free PDF library is what I use in this article.
这个免费的PD f库正是我在本文中会用到的库。
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