Mr Zetsche’s cautious endorsement could shift that perception, but only if he and Mr Ghosn can convincingly show how they will make their tie-up work.

Zetsche先生的认可可能改变那种理解，只要他和戈恩先生能令人信服地展示他们的合作如何产生气功妙效。

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Bethune says the Fed needs to be especially cautious in signaling any policy shift because the U.S. economy has been serving as a global engine of growth.

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Such a shift, however cautious, would be risky.

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Gutsche said the shift to reject all paper has already started, but Shane is more cautious in his predictions.

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