哪里有吃饭不要钱的好事的英文

tanstaafl there ain’t no such things as a free lunch

• 哪里:    where
• 有:    5年 fifteen years
• 吃饭:    eat; have a meal
• 不要:    don't
• 钱:    copper coin; cash
• 的:    4次方是 The fourth po ...
• 好事:    good deed; good tu ...