If businesses, like the pharmaceutical industry, are driven by the need to make a profit, how can we expect them to invest in R&D for diseases of the poor, who have no purchasing power?

如果企业（例如制药企业）一味追逐利润，怎么能指望它们针对缺乏购买力的穷人的疾患投入研发资金呢？

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Tess of the D urbervilles, the greatest novel of British famous writer Thomas Hardy, describes the misfortune of a poor peasant girl Tess, the cause of which has always been the concern of people.

英国著名作家托玛斯·哈代最伟大的小说《德伯家的苔丝》描写的是贫穷的农家女子苔丝的悲剧性命运。

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Vitamin D deficiency can lead to poor absorption of bone minerals and may contribute to cancer, multiple sclerosis, hypertension and diabetes, the researchers said.

维生素D缺乏能够降低骨骼对矿物质的吸收，导致癌症、多发性硬化症、高血压和糖尿病。

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"I didn't think we'd have as poor a run as we've had recently when I came here, but I don't think any of us thought we were going to win the SPL, " he said.

BBC: Aberdeen boss McGhee aims to revitalise stuttering Dons

This is a devolved matter and "pity the poor Sargeant at Arms who'd have to go and fetch Edwina" he told BBC Wales.

BBC: Thank you for your invitation...

One of four children raised in a poor family in Australia, Mowbray-d'Arbela, 43, today sports the tailored profile of a fashion editor.

FORBES: Breakthroughs