Only when graduation will people retrospect the every little thing passed away in college; and then they sentimentally talk about former days, past stories, as well as the unpredictable future.

总是在毕业的时候，才会对大学生活的点点滴滴去回忆，然后伤感的说着过去的时光，过去的故事，还有未来的那些永远的未知数。

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Mr Kim's unpredictable regime has sent diplomatic signals that it could be ready to talk about its clandestine arms programme.

ECONOMIST: Old allies turn on North Korea