?Dr Winfred Wenhui Xuan is a full-time lecturer at the College of Professional and Continuing Education, Hong Kong Polytechnic University, where he teaches courses on academic English and communication studies. An associate editor of the Asian EFL Journal, his research interests include Systemic Functional Linguistics, Discourse Analysis, EAP Writing, and Research Synthesis in Language Studies. His works have appeared in WORD, Functional Linguistics, Applied Linguistics Review, The Asia-Pacific Education Researcher, Asian EFL Journal and Asia-Pacific Journal of Second and Foreign Language Education.