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Friendship isn't about who came first and who you'veknown the longest, it's about who came and neverleft.
朋友不是先来的人或者认识最久的人，而是那个来了以后再也没有走的人。
【知识点讲解】
现在完成时：主语+have+动词过去分词
例句：I have done my homework.我已经完成作业了。
