哮喘是世界上最常见的慢性病之一。
哮喘是儿童中的最常见慢性病。
哮喘是儿童最常见的慢性病，目前有2.35亿患者。
It is the most common chronic disease among children and currently affects 235 million people.
哮喘是儿童最常见的慢性病，目前有3亿患者。
It is the most common chronic disease among children and currently affects 300 million people.
哮喘是儿童最常见的慢性病，目前有3亿患者。
It is the most common chronic disease among children and currently affects 300 million people.
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