They hope the new drug will prove especially efficacious in the relief of pain.

他们希望这种新药能在缓解疼痛方面产生特效。

《牛津词典》

Uses: For the temporary relief of pain associated with canker sores.

使用：临时缓解由于口腔溃疡所引起来的疼痛。

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The relief of pain and improvement of life quality are management keys for these patients.

减轻患者疼痛，提高生活质量是该类患者临床处理的关键。

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The expectation of pain relief produced real pain relief in the absence of medicine.

FORBES: Magazine Article

And, once the screwdriver was in her hand, she felt instant relief from the pain of having an old soft-backed man snuffling under her tub, and then something more than relief: a blessed indifference, as if the very idea of feeling pain over such a thing were baffling.

NEWYORKER: Found Objects

While I go back and forth, I tend to agree that once you get beyond the short term release of endogenous opioids in response to the expectation of pain relief, a mysterious placebo effect that produces all sorts of miraculous effects is far less proven than people think.

FORBES: Harvard Placebo Study Was Seriously Overhyped