Chengzhi Chu (储诚志) is Associate Professor of Chinese and Senior Program Advisor in the Chinese Program at the University of California, Davis, where he also serves on the Graduate Faculty of Linguistics and Second Language Acquisition. He has published widely in Chinese linguistics (grammar, lexicon, writing system, and dialect), cognitive semantics, corpus linguistics, Chinese L2 pedagogy, application of technology in Chinese teaching, and intercultural communication. Matthew D. Coss (高正远) is a PhD candidate in Second Language Studies at Michigan State University. His research focuses on the multiple existing and potential interfaces between additional language learning research and practice, with particular focus on (task-based) language leaching and assessment, language program design and evaluation, and language teacher education. Phyllis N. Zhang (张霓) is Professor of Chinese at The George Washington University in Washington D.C. With a background in applied linguistics and language education, Dr. Zhang has authored a series of proficiency-oriented Chinese language textbooks. Her research centers around L2 language proficiency development and assessment, pedagogical grammar, and the integration of technology to enhance language instruction.