If you are sick yourself and have many friends that are healthy, you have parallel lives in which you are not sick and are quite healthy.

如果你自己正病倒而有很多身体健康的朋友，那么你就有一些平行生命是没有疾病而非常健康的。

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Some foods can make you sick if they are stored in conditions that are not cold enough to prevent the growth of harmful organisms.

VOA: special.2009.11.30

do you listen to that? We are sick because we are ill.

听到吗？我们病了是因为我们在生病。

哈佛公开课 - 幸福课课程节选

You could have good humours and you could have bad humours and if those humours, whatever they are, got out of balance then you got sick if you had too many bad ones compared to good ones.

你可以有正常的体液,也可以有异常的体液,如果这些体液,不管体液究竟为何物,当体液失衡,你就会生病,即在异常体液比正常体液多时就会生病

耶鲁公开课 - 生物医学工程探索课程节选

Poverty means that you go to work when you are sick.

FORBES: No Bread Or Oil Brought Back Home From America's Conquests, Plenty Of Circus

On Sunday, one senior figure said 'well, at least if you say a person is sick you are acknowledging the problem, and there is nothing to lose so long as you cure them'.

BBC: By Africa Correspondent Jeremy Vine

Are you sick of "Linsanity"?

WSJ: Jeremy Lin: Jason Gay Is Not Yet Sick of the Linsanity