Seaman must understand the dangers of the sea.

海员们必须了解海洋的危险。

Most modern people like to eat fried food, but do not understand the dangers of fried foods.

现代人大多喜欢吃油炸类的食品，但对于油炸食品的危害却不了解。

And unlike the pension funds which were exposed to mortgage-backed securities in 2006, for example, the banks and hedge funds understand the dangers of credit losses.

比如，与在2006年存在抵押贷款支持证券相关敞口的养老基金不同，银行和对冲基金知道信贷损失的危险。

Society as a whole is vulnerable to the actions of computer professionals because most in the general public do not understand the dangers or implications of projects under the professionals' command.

总的来说，社会易受电脑专业人员的行为影响，因为大部分公众都不明白专业人员管辖的项目的危险性或潜在的东西。