Tracker, the first new broadcast drama to premiere this season, is also the first freshman scripted series to land a Season 2 renewal. Amid strong ratings following its post-Super Bowl premiere, CBS has picked up a second season of the series starring Justin Hartley after four airings.中级研(💓)究(jiū )技能(néng )对于中级研究事务，增加(jiā )5%的成(ché(⬆)ng )功率，对(duì )于低级的研究事务，更是有(yǒ(🛣)u )成功率加成，能够达到10%的成功率。