The dating of old houses is often decided by indirect evidence.

老房子的年代通常是通过间接的证据确定的。

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This means that, in almost every case, we must rely on indirect evidence.

这意味着，几乎在所有情况里我们必须依赖间接证据。

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Scientists have accumulated indirect evidence for such pairing and superfluidity.

科学家们已经推测出了这种成对现象和超流现象的间接证据。

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Though most climate scientists are confident of this theory, they have had, so far, to rely on indirect evidence for it.

ECONOMIST: Climate change: Getting real | The

Indirect evidence of unhappiness is equally hard to gather, since so many potential proxies, such as drug abuse and wife-beating, are hushed up.

ECONOMIST: The poor: The mountain man and the surgeon | The

If Washington uncovered evidence of direct or indirect Iranian terrorist activities in America, for example, even the Obama administration would have to consider direct retaliation inside Iran.

CENTERFORSECURITYPOLICY: What if Israel strikes Iran?