[DOC] polish contents of README

README.md

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 # Introduction
 
-The _learnware_ paradigm was proposed by Professor Zhi-Hua Zhou in 2016 [1, 2]. In this paradigm, developers worldwide can share models with the _learnware dock system_, which effectively searches for and reuse learnware(s) to help users solve machine learning tasks efficiently without starting from scratch.
+_Learnware_ paradigm was proposed by Professor Zhi-Hua Zhou in 2016 [1, 2]. In the _learnware paradigm_, developers worldwide can share models with the _learnware dock system_, which effectively searches for and reuse learnware(s) to help users solve machine learning tasks efficiently without starting from scratch.
 
 The `learnware` package provides a fundamental implementation of the central concepts and procedures within the learnware paradigm. Its well-structured design ensures high scalability and facilitates the seamless integration of additional features and techniques in the future.
 

README_zh.md

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 # 简介
 
-学件范式由周志华教授在 2016 年提出 [1, 2]。在学件范式下，世界各地的开发者可分享模型至学件基座系统，系统通过有效查搜和复用学件帮助用户高效解决机器学习任务，而无需从零开始构建机器学习模型。
+学件由周志华教授在 2016 年提出 [1, 2]。在学件范式下，世界各地的开发者可分享模型至学件基座系统，系统通过有效查搜和复用学件帮助用户高效解决机器学习任务，而无需从零开始构建机器学习模型。
 
 本项目开发的 `learnware` 包对学件范式中的核心组件和算法进行了实现，全流程地支持学件上传、检测、组织、查搜、部署和复用等功能。基于良好的结构设计，`learnware` 包具有高度可扩展性，为后续相关算法和功能的开发打下坚实基础。