웹 기반 협동적 문제풀이 방식 영어 학습 시스템 설계 및 구현

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It ain’t over till it’s over. End relationships that no longer work for you, as you could be spending time in a dead end. Rather head for more meaningful things. You could be missing opportunities while you’re stuck in a meaningless rut, trying to breathe life into something that is long gone.
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“ Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow." ” ― Mary Anne Radmacher
Ask yourself: How can you change someone’s life for the better today? Next