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每日一句口语:
Love is that condition in which the happiness of another person is essential to your own.
如果另外一个人的幸福是你幸福的根本所在,这就是爱。
【知识点讲解】
essential adj.基本的; 必要的; 本质的; 精华的
例句:
the essential goodness of human nature人性善良的本质