“银汞合金含有汞，对于成长中的儿童和胎儿的神经系统具有神经毒性作用，”这一段陈述已被加入到该机构的网站中。
"Dental amalgams contain mercury, which may have neurotoxic effects on the nervous systems of developing children and fetuses," reads a statement that has been added to the agency's Web site.
文特尔说，水印包括一段密码，你要是会解密的话，就能发现里面含有一个网站的网址和三段引文。
The watermark, Dr Venter says, includes a cipher which contains the URL of a website and three quotations, if you can work out how to decode it.
过了一段时间，我收到了一封含有我和母亲吃的同一家餐厅的收据复件的信件。
Some time later, I received an envelope with a copy of a restaurant receipt from the same place mother and I had dined.
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