a cup of tea a day keeps the trouble away是什么意思?

a cup of tea a day keeps the trouble away是什么意思? An apple a day keeps the doctor away是什么意思(四选一) a cup of tea还是the cup of tea a cup of tea ? an apple a day keeps a doctor away,是什么意思 An apple a day keeps a doctor away是什么意思? 英语翻译:eat an apple a day keeps the doctor away. Eat an apple a day keeps the doctor away. AN APPIE 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?