Backache, nausea, and dodgy tonsils—these are just some of the symptoms caused by stones in your body.

背痛、恶心、扁桃腺炎——这些都是由体内结石造成的症状。

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Brief all crew members on symptoms caused by dangerous substances.

对所有船员简介危险品伤害的症状。

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Palliative care is treatment to relieve, rather than cure, symptoms caused by cancer.

姑息治疗是为了缓解癌症引起的症状，而不是治愈癌症。

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Damages for physical sickness are tax-free, but not physical symptoms caused by emotional distress say, headaches.

FORBES: Dead Cruise Ship, Clogged Toilets, Scant Food, No Carnival

Generally, everything is income to the IRS. Damages for physical injuries and physical sickness are tax-free, but not physical symptoms caused by emotional distress.

FORBES: Passengers Sue 'Floating Hell' Cruise Line

In both cases what look at first sight to be damaging symptoms caused by an infection are actually adaptive (though unpleasant) responses to it.

ECONOMIST: Fatigue: Killing time | The