Chapter 1 Introduction 1.1 Research Background 1.2 Objectives of this Book 1.3 Significance of this Book 1.4 Organization Chapter 2 Literature Review 2.1 Pawley & Syder's Lexicalized Sentence Stem 2.2 Granger & Paquot's Textual Stentence Stem 2.3 Textual Stentence Stem and Evaluation 2.3.1 The Multifunctionality of TSSs 2.3.2 Research on Evaluation in Academic Writing 2.3.2.1 Hedging 2.3.2.2 Metadiscourse 2.3.2.3 Model of Interaction in Academic Discourse 2.3.3 Evaluation from a Cross-cultural Perspective 2.4 Corpus-driven Studies of Phraseology ……