because they'd be marked down in price,

因为这种物品价格低廉
and those would be the goods that the poor would live on.

是穷人们维持生存的食物
And this meant that they often suffered from dire real illnesses,

这就意味着穷人经常遭受可怕的疾病
and those reduced the digestive time,

而这些病会降低消化食物的时间
and therefore deprived the stomach of its defensive capacity

因此降低了胃部消化液的酸度
to protect you by the acidity of the digestive juices.

而使胃部失去了其防御的作用
And the consumption of raw fruit, for example,

生水果的消耗
would be especially common in the summer months.

在夏季是非常常见的
Another factor would be the general health of the person

另一个因素是
who was exposed to the disease.

已感染的病患的一般健康问题
Let's suppose that you've eaten a very large infective dose,

假设你摄入了很大的感染剂量
and it passes successfully through your stomach,

而且病菌也成功地通过胃部