胃食管反流病是多因素疾病，除了一些公认的危险因素外，某些因素，如肥胖、吸烟等，对该病的影响还不是很清楚。

Many factors are believed to be responsible for GERD. In addition to some recognized factors, the influences of factors like obesity, smoking and so on are till unclear.

youdao

胃食管反流病是多因素疾病，除了一些公认的危险因素外，某些因素，如肥胖、吸烟等，对该病的影响还不是很清楚。

Many factors are believed to be responsible for GERD. In addition to some recognized factors, the influences of factors like obesity, smoking and so on are till unclear.

youdao