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|      \\   / _ \\   /_   _//   / _ \\   /  ___|| 
|  --  //  / //\ \\    | ||    | / \ || | // __   
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|______// |_||  |_|| /__//      \___//   \____//  
`------`  `-`   `-`  `--`       `---`     `---`

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發送短信 : Synonyms and their challenges for first-year students at the English Department, University of Languages and International Studies, Vietnam National University