Some economists say the second quarter growth is a sign that the U. S. economy is finally improving. Others are not so sure.

一些经济学家表示，今年二季度的增长是美国经济终于改善的迹象。另一些经济学家则不这么认为。

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Others are not so convinced by couponing's charm.

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"We've not quite hit our straps, we have done in some games but in others we've not done what we wanted, so it's credit to us that we are where we are in the table when we've not played our best yet, " he said.

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