“…One kind of these researches chooses only one translator's preface or two translators' prefaces of the same translator as their research object (Crawford, 2013;Oktar, 2012). The other kind of researches on translators' prefaces chooses a large number of translators' prefaces as their data to find a tendency over a certain span of time (Zeptnek, 1993;Harbus, 2007;Dimitriu, 2009;Azar, 2012;Rodriguez-Alvarez & Rodriguez-Gil, 2013).…”