Hellow guys, Welcome to my website, and you are watching (ko, ja, zh-cn)뼈를 깎는 노력이 반드시 실패하는 이유 | 이지영 이투스 강사 @leejiyoung_official | #동기부여 #공부 #노력 | 세바시 1491회. and this vIdeo is uploaded by 세바시 강연 Sebasi Talk at 2022-04-04T02:00:02-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.