With so many uncertainties facing global economic recovery, the international community must have more confidence, enhance cooperation and jointly tackle the challenges.

国际社会要进一步增强信心，加强合作，共同应对挑战。

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So these are just a few of the many challenges working families out there are facing and where they need an advocate, and Tom is the right person for that job.

WHITEHOUSE: President Obama Makes a Personnel Announcement