听自己声音的录音回放对特德可能会有帮助。Ted might benefit from hearing his own voice recorded and played back.知道食物所含的营养成分有时的确有帮助。It does sometimes help to know the nutritional content of foods.和其他志同道合的残疾人帆船运动员接触会有帮助。Contact with other disab...

“有帮助”的英语可以翻译为：avail ...