They suffer a great deal from ill health.

他们因身体不好而吃了很多苦。

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Facing with the huge shock of the financial crisis, China's automobile market suffer a great deal from it.

面对金融危机的巨大冲击，中国的汽车市场深受其害。

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Running away from the dilemma would have left me with a great deal of regret, knowing that I had left it there to suffer for who knows how long.

我如果逃离当时的困境，将会留下沉痛的悔恨，后悔让花栗鼠躺在路上，不知还要忍受多少痛苦。

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People who work in jobs which require them to do a great deal of reading are likely to suffer from the condition, known as presbyopia, and will need glasses earlier.

BBC: Eyesight: The effect of age