treatise
noun /ˈtriːtɪs/, /ˈtriːtɪz/
/ˈtriːtɪs/
(formal)- treatise (on something) a long and serious piece of writing on a particular subject
（专题）论文 - ‘A Treatise on Probability’ by John Maynard Keynes
约翰·梅纳德·凯恩斯的《概率论》 - Any of these questions would deserve a lengthy treatise, perhaps even a small book.
这些问题中的任何一个都值得写一篇长论文，甚至是一本小书来探讨。
词源late Middle English: from Anglo-Norman French tretis, from Old French traitier, from Latin tractare ‘handle’, frequentative of trahere ‘draw, pull’. - ‘A Treatise on Probability’ by John Maynard Keynes