How do I know if my child has an allergy or a cold?
我怎么知道，如果我的孩子有过敏或感冒吗？
It seems like she has a cold, but in fact it's her allergy.
症状好像是感冒了，但事实上是她过敏了。
Clear, stringy stuff is a sign of an allergy or the beginning of a cold.
清鼻涕是过敏或伤风开始时的症状。
Clear, stringy stuff is a sign of an allergy or the beginning of a cold.
清鼻涕是过敏或伤风开始时的症状。
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