Thesaurus 用哪本好啊？

这可不好办啊，你也没有说出具体用途~~~要完全同时满足这三个标准，几乎是不可能的，只有根据不同的用途，尽量选出最合适的词典。

American Heritage Thesaurus, a very good one -- good enough for college student majoring in English Literature, slim size, and light weight.