Even if a disease is linked to travel, there is rarely any information about where those afflicted went, what they ate, how they behaved, or which vaccinations they had.

即便某种疾病与旅行有关，也很少有信息提及患者去过哪里、吃过什么、做过什么或接种过哪种疫苗。

youdao

Many researchers don't even want to be linked with this type of investigation.

很多研究者甚至都不想让自己跟这类研究有任何的瓜葛。

youdao

No one knows what triggered the vomiting syndrome, but stress is often a causative factor - so even that might have been linked to the disorders Darwin gained during the voyage.

没有人知道是什么导致了呕吐综合症，但压力通常是一个诱因-甚至也可能与达尔文在航海旅行中患上的失调症有关联。

youdao

Now we know that genetics makes this connection even deeper and we are linked to our ancestors by DNA.

VOA: special.2009.12.01

Professor Stone says the emotional patterns could be linked to changes in how people see the world, or maybe even changes in brain chemistry.

VOA: special.2010.08.03

"So for instance, our relationships have been linked to lower blood pressure, better immune functioning, and even inflammatory processes that are implicated in a number of diseases."

VOA: standard.2010.07.29

Microsoft and Starbucks have even linked up to make the coffee chain wireless and webby.

FORBES: Digital Spin

The latest rise in prices, though, are not linked to OPEC's own pricing policy, and not linked even to any action taken by the smaller group of Arab oil exporters.

ECONOMIST: Oiling or spoiling the recovery? | The

The Detroit firms' fortunes are even more closely linked to the general health of the economy than competitors'.

ECONOMIST: General Motors' IPO