Q: What are the challenges countries face in implementing the standards?

问：各国在执行这些标准时遇到的挑战是什么？

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Q. Can you think back to what it was like coming to a Grand Slam without having won one, the kind of psychological barriers those players in that position will face in the next couple weeks?

很多参加大满贯比赛的选手从来也没有拿过冠军，你能想象出这些选手在未来几周的比赛中会遇到哪些心理障碍吗？

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I must face the Q to find the job in the latter half of the year.

在下半年的时间里，我必须面对找工作的问题。

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