题目的

• The lecturer merely scratched the surface of the subject
  该位演讲者仅仅触碰到题目的表面。
• A follow up or complement to the first topic
  上一题目的后续或补足。
• The lecturer merely scratched the surface of the subject
  演讲人仅仅抓到该题目的一点皮毛。
• These are important reasons for writing the article
  这一切正是本文选择这一题目的重要原因。
• Books on this subject are legion
  关于这个题目的书籍多得不计其数。
• He brought all the papers that related to this subject
  他把关于这个题目的全部论文都拿来了。
• The level of difficulty of the questions increases gradually
  所有题目的难度级别是逐渐递增的。
• I used to be able to knock these things out in 20 minutes
  以前我可以在20分钟内做完这些题目的。
• There are in our library any number of book on this subject
  这个题目的书籍，我们图书馆可多了。
• How did we get onto that subject
  我们是怎么谈到那个题目的？