milestone
n
1 stone put at the side of a road showing distances in miles 里程碑. 2 (fig 比喻) very important stage or event 重大阶段或事件; 转折点
This victory was a milestone in our country's history. 这一胜利是我国历史的转捩点.
OK. Our plan is to produce an advertisement for this famous computer which is supplied by one of China's biggest computer producers-Legend Computer Group Corporation. Any ideas?