That is because, during the winter, people stay inside more and breathe the same air, sharing their germs.
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That is because, during the winter, people stay inside more and breathe the same air, sharing their germs.
这是因为在冬天的时候，人们更多的呆在室内，呼吸着同样的空气，互相传染细菌。
You can always remember its name because most colds arrive with cold weather. That is because, during the winter, people stay inside more and breathe the same air, sharing their germs.
你也总是能记得它的名字，因为大部分感冒是伴随着冷空气而发生的。
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