Book Discussion Class (Teacher: Marie Claire) : https://englishbookclub.tistory.com/5Here is a list of advanced vocabulary from Chapter 7 of Hyper Efficient. gnaw away / rugged / undulation / relentlessly / incremental / rigid / frictionlessly / stymied / potently / perpetual / riddled with / attrition / muster / swerve / elusive / amassing / camouflaged / tether / jolted / instil / groggy / cum..
