article of a treaty

例句：

1. 1. The article on climate changeis very informative.
   关于气候变化的文章非常有信息量。
2. 2. He read the article carefully before makinga decision.
   他在做决定前仔细阅读了这篇文章。
3. 3. The article was written by anexpert in the field.
   这篇文章是由该领域的专家撰写的。