// 边界处理：0辆车返回0，1辆车返回1（无需后续计算）
It is "probably the most dangerous time for adult Emperor penguins because they haven't got their waterproof suits on," he says. If they go into water, they are likely to die.
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How Slovakia became the world's number one carmaker
Some people may need to use multiple Wi-Fi extenders, for instance, if your home is large or has dead zones in different areas. But if you do use multiple Wi-Fi extenders, there’s a chance of interference. You may also need to manually connect to the extenders separately, which isn’t always convenient.