The older is aging day by day. Everyday they have to stand with death so they can't help but feel sad.

年纪大的老人，他们在老化、衰败的过程中渡过了一天又一天，每天与死亡的威胁为伍，心情郁悒自是在所难免。

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I hope you have a mother's eightieth birthday. May the mother in the New Year, happy everyday, day by day with laughter.

祝母亲的八十岁生日，愿母亲在新的一年中，天天都愉快，日日有笑声。

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Everyday practice shows that Social Networks popularity is increasing day by day.

日常实践表明，社交网络流行度在一天天增加。

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