a penny 和 one penny一便士应该用a penny 还是 one penny?

a penny 和 one penny一便士应该用a penny 还是 one penny? penny A penny saved is a penny earned like a bad penny cost a penny “a penny”怎样发音? A penny saved is a penny earned.怎么翻译 a penny saved is a penny earned翻译 a penny saved is a penny earned +said by 英语谚语A penny is a penny earned是什么意思 a penny saved is a penny gained的中文 A penny saved is a penny earmed 翻译 hold a penny什么意思 without a penny to my jc penny 和 sears是什么 put one penny away的歌词啊 penny是什么意思 Penny 是什么意思?