Of all the animals, man is the only one that is cruel. He is the only one that inflicts pain for the pleasure of doing it. — Mark Twain.

马克·吐温：在所有的动物中，只有人类是残忍的。他们是唯一将快乐建立在制造痛苦之上的动物。

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Mark on these figures where you feel pain.

请在此体图上标出你哪里觉得痛。

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Inquiring each patient's medical history in detail, clinical symptom, mark the pain in the waist, fill in the materials card.

详细询问每例患者的病史，临床症状，进行腰痛评分，填写资料卡片。

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The mother of murdered teenager Stephen Lawrence has said her "pain is raw", at a memorial service to mark the 20th anniversary of her son's death.

BBC: Stephen Lawrence 20th anniversary memorial service held

It could catapult past the billion-dollar mark by the aiding millions of people with the indigestion, constipation, stomach pain and other severe symptoms known by the catchall term "irritable bowel syndrome" (ibs).

FORBES: Reviving Novartis

Dr Mark Waller, the club's doctor, said the manager's chest pain had been caused by a dissection of the descending aorta.

BBC: Gerard Houllier