head-to-head-comparison

基本解释

Because it was not a head-to-head comparison, it cannot be concluded that eating fish is better than using statins.
因为这种对比不是逐一对测试者进行的，所以并不能得出食用鱼比服用他汀类药还有效的结论。
But a head-to-head comparison of LCSs and Type 022 as warships is not really useful, as neither is specifically intended to fight the other.
不过，将022型与LCS作为战舰面对面地进行比较，并没有什么真正的用处，因为任何一方都不是特地设计来向另一方发起攻击的。
And none of these kinase inhibitors have yet been rigorously tested in a head-to-head comparison with the protein therapies already on the market.
而且，这些激酶抑制剂目前没有与市场上的蛋白质疗法进行严格的“非安慰剂对照”的试验（head-to-head comparison)。

"While we're waiting, I'd say they need more head-to-head comparison data, including laropiprant versus placebo, " says Taylor.
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But I will try Ambien and Melatonin at some point (though not together) to write a head-to-head comparison.
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There was no control group or head-to-head comparison with embolization.
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