We can ignore the warning signs of a pending heart attack, and pay for that ignorance with our lives.

我们可以忽视迫近的心脏病发作的警告信号，却会为此付出我们的生命。

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A heart attack or stroke may be the first warning of underlying disease. Symptoms of a heart attack include.

心脏病发作或中风可能是潜在疾病的最初警告。

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General Beauregard received early warning from Confederate spies that McDowell would attack. Much of his information came from a woman, Missus Rose o 'neal Greenhow.

包瑞德将军很早就从南方的间谍那得知麦克道尔将要对其发动进攻，他所得到的消息更多来自于一位女士，这位女士叫罗斯·奥尼尔·格林豪(Rose o ' Neal Greenhow)太太。

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Al-Shabab said it had advance warning of the attack and Mr Allex - a codename for the French intelligence agent - was not in Bulo Marer at the time.

BBC: Denis Allex: French agent 'killed' by Somalia al-Shabab

Al-Shabab says it had advance warning of the attack.

BBC: Somalia's al-Shabab 'to kill' French hostage Denis Allex

An IP reputation service, once the NASDAQ site had been identified as compromised through either publication or detection by continual IPS reputation evaluation, would have given system administrators early warning of the attack.

FORBES: How reputation services enhance IPS