An apple a day keeps (the doctor)/(doctors) away?

An apple a day keeps (the doctor)/(doctors) away? 英语翻译An apple a day keeps the doctors away.翻译 翻译：An apple a day keeps the doctors away. 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 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) A n apple a day keeps __ away A.a doctor ;B.doctors;C.the do