特色：
If you have never used a thesaurus before, you are in for an unique experience. In some ways, it is like a dictionary, but there are no definitions given. Instead a thesaurus gives you alternative words. First, you will learn the correct spelling of the word. Then, you will be given an extensive selection of choices that you can use instead of the primary word. These are synonyms, and providing a series of similar alternative words is what a thesaurus is all about...