Do you ever hear anyone say,"An apple a day keeps the doctor

Do you ever hear anyone say,"An apple a day keeps the doctor an apple a day keeps the doctor 英语翻译:eat an apple a day keeps the doctor away. Eat an apple a day keeps the doctor away. An apple a day keeps the doctor away 啥意思 翻译:"an apple a day keeps the doctor away.'' An apple a day keeps (the doctor)/(doctors) away? An apple a day keeps the doctor away An apple a day keeps the doctor away. 关于an apple a day,keeps the doctor away An apple a day keeps the doctor away是什么意思(四选一) 是An apple a day keep the doctor away.还是An apple a day keeps