Modern readers can, with some effort, discover that sixteenth-century teachers selected some seemingly dangerous classical texts while excluding other seemingly innocuous texts.

现代读者通过一些努力可以发现，十六世纪的教师选择了一些看似危险的经典文本，而排除了其他看似无害的文本。

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While there are signs that a mushroom is poisonous, they are not consistent, and all mushrooms of unknown origin should be considered dangerous to eat.

尽管有特征说明蘑菇是有毒的，但它们是不一致的，所有来历不明的蘑菇都应该被认为是有危险的食物。

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Here,the travelers can stay a few nights and eat a good meal, while they take a brief respite from their long and dangerous journey north.

VOA: standard.2009.09.01

Confusing ends and means is dangerous because by focusing on the tactic, we risk floundering among the terrorist trees, while missing the growth of the extremist forest,"

VOA: standard.2009.08.06

While dangerous levels of radiation are leaking from the crippled nuclear plant, the likelihood of harmful levels of radiation making it to the United States remains very low.

FORBES: Radiation No Threat To Silicon Valley, Santa Clara County Says

We human beings have a tendency to perceive some relatively harmless things as dangerous while we ignore dangerous things we ought to be worrying about.

FORBES: Boston Bombing: Perceived Danger And The Public Safety

While not dangerous, and often symptomless in more healthy patients, in the elderly, weak or immuno-suppressed, MRSA can cause fever and pneumonia.

BBC: NEWS | Health | Hospital infections: Case studies