Almost eight out of ten participants who had suffered from chronic indigestion benefited after a week of treatment.

　　在接受了一个星期的治疗后，10位患有慢性消化不良症的被试验者中，几乎有8位在每天坚持喝土豆汁之后症状得到了缓解。

　　One in five was free of symptoms.

　　有两位患者的消化不良症状直接消失了。