come back again like a half penny

例句：

1. 1. She returned to her hometown after years of living in the city.
   她在城市生活了多年后回到了家乡。
2. 2.The old man promised to come back again like a half penny if he could find his lost grandson.
   如果这位老人能找到他丢失的孙子，他承诺会像半个便士一样再次回来。
3. 3. The company is considering whether to come back again like a half penny by investing more in research and development.
   公司正在考虑是否通过增加研究和开发投资来像半个便士一样再次回归市场。