Researchers had long theorized as much but until now had only indirect evidence.
研究者花费了很长时间建立理论，但目前为止，仅有一些间接的证据。
Because dark matter cannot be seen astronomers detected its presence through indirect evidence.
由于暗物质不可见，天文学家们采取了间接途径来测知它的存在。
But evidence so far has been indirect.
但到目前为止，这些证据都是间接的。
Evidence was less clear on the indirect interventions.
在间接干预上的证据较不明确。
Their evidence is indirect, and from a strange source-the spread of babies' names.
他们的证据是间接的，而且证据的来源也很奇特——婴儿名字的传播。
He believed the case has been proven even though the evidence was indirect.
尽管证据不直接，他相信案件能够得到证实。
He believed the case has been proven even though the evidence was indirect.
尽管证据不直接，他相信案件能够得到证实。
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