控制点是确保项目按时、按质完成的重要环节，合理设置至关重要。龙戒

　　Stuck repeating the same pattern of mistakes again and again, Andrew Egan reluctantly accepts a teaching job to support his floundering, stand-up comedy career. As an increasingly anxious Andrew grows accustomed to the droll institution and its occupants he suspects that one of the students may be his downfall and that the previous teacher may not have left of his own accord. H... (展开全部)