Surgery, chemotherapy and radiation can do only so much when tumor cells hide in plain sight and even a single overlooked cell can seed new disease.

手术、化疗和放疗只能针对藏在易观察部位的肿瘤细胞，然而，哪怕只有一个细胞被忽视，都有可能引起新的疾病。

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"In Gwinnett County, the drug dealers are able to hide in plain sight, " county District Attorney Danny Porter said.

CNN: Mexican drug cartels thrive in suburban Atlanta

With half or more public companies lacking any formal succession plans, business continuity and talent retention are significant risks that hide in plain sight.

FORBES: How Citigroup Handled the Vikram Pandit Ouster, and What It Says About Succession Planning

Sometimes things hide in plain sight.

FORBES: Why Google's Not a "Platform"