... However, the general English-centered perspective in academic writing research is also reflected here as the conversation is heavily biased toward English and contrastive studies between currently dominant languages in the academic context. As a result, English is probably the most extensively investigated language in the MD framework (Ädel, 2010;Aull, 2015;Hyland, 2005), accompanied by Mandarin Chinese (e.g., Hu & Cao, 2011;Kim & Lim, 2013;Mu et al., 2015), Persian (Gholami et al., 2014;Khabbazi-Oskouei, 2016), and Spanish (Mur-Dueñas, 2011;Navarro et al., 2022). Many MD studies compare the use of MD markers either across languages or between varieties and proficiency levels of languages, where one of the languages is typically English (e.g., Ädel, 2010;Bax et al., 2019;Dahl, 2004;Dontcheva-Navratilova, 2016;Mur-Dueñas, 2011), or across disciplines (Dahl, 2004;Hyland & Jiang, 2016;Ngai et al., 2018), and across genres in first and second language (e.g., Hyland, 2004). ...