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The keys to being prepared for exams and avoiding unnecessary exam stress are knowing what you need to know, planning and preparing for your revision, and giving yourself enough time to do it.

为考试做好准备和避免不必要的考试压力的关键是知道你需要知道什么，为你的复习做计划和准备，并给自己足够的时间来做。

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“For the time being, the world does not have data that's good enough to claim the planet,” said astro-statistics expert Philip Gregory of the University of British Columbia, author of the new study.

“目前来说，世界上还没有足够的证据证明这颗行星的存在，”加拿大英属哥伦比亚大学的天文统计专家菲利普·格列格雷说，它同时也是新研究的作者。

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It just may be that Google has provided enough kicks for the time being.

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All this has been enough to put the Durban political agenda on hold for the time being.

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After all, they are already in the crosshairs for being haves in a time when the have-nots seem to have had enough.

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