And what about that innocent-looking arugula: Will pesticide residue cause cancer, or do the leaves themselves harbor E. coli?

还有那些看起来无害的芝麻菜：叶子上面是不是残留了可以致癌的农药，或者这些叶子本身是不是就含有大肠杆菌？

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Residue seems to self-generate but it doesn't self-destruct! Delete what you can to begin with, and purge your reference files regularly, as things get out of date and lose their value to you.

残留似乎是自我产生的 但它不会自我消除.删除你能够删除的 时常整理你的参考文件 当它失去时效 失去价值.

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What the researchers in the reading are identifying as blood vessels might just be traces of soft and moist residue left by bacteria colonies.

在阅读部分，研究人员鉴定为血管的物质很可能就是细菌繁殖后留下的湿软残渣的痕迹。

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Ma Jun and his partners in (anti-environmental) crime will publish a report on the status of their inquiries to these big firms later this month, including what consumers can do to help advocate for waters free of heavy-metal residue, so stay tuned.

FORBES: Targeting Companies That Pollute China's Waters