当成本涨幅超出内部优化极限时，涨价成为唯一选择。
Inside their cleanroom, the team is busy building more modules for future Artemis missions. Each one takes about 18 months to put together but has taken thousands of engineering hours to design. Everything on board has to work perfectly.
，这一点在safew官方版本下载中也有详细论述
Медведев вышел в финал турнира в Дубае17:59
（二）在铁路、城市轨道交通线路上放置障碍物，或者故意向列车投掷物品的；