- system of three responsibilities in front of the gate (every unit or household along a street takes responsibility for cleanliness, order and planting greenery in front of their gate)
| 词汇 | 门前三包 |
| 释义 |
|
| 随便看 |
sap英语在线翻译词典收录了95854条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。