n.里程标志；里程碑
This is the major event that career of our country irrigation works has milepost sense. 这是我国水利事业一件具有里程碑意义的重大事件。
China joins World Trade Organization is the milepost with new concern of bilateral classics trade. 中国加入世界贸易组织是双边经贸关系新的里程碑。
