同学你好，该知识点来自沪江网校《大学水平直达CATTI二级（笔译+口译）【全额奖学金班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好
serous foodborne disease outbreaks  have occurred on every continent in the past decade, often amplified by globalized trade
相当于
serous foodborne disease outbreaks  have occurred on every continent in the past decade, which is often amplified by globalized trade
这里的often amplified by globalized trade 其实是修饰前面整个句子所说的事情

在过去十年中，每个大陆都发生了严重的食源性疾病暴发，全球化的贸易常常使其扩大
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