Click to edit Master title styleClick to edit Master text stylesSecond levelThird levelFourth levelFifth levelGOALSSimulators tell Observers what we can do are doing and plan to doObservers tell Simul

specific 具体的goals ambitions aims dreams important=vital=significant=necessary a long life ahead of them 在前面还有很长的一生achieve 达成motivate 激励native speaker 母语者phrasal verb 动词词组idiom 习语polish sth 修改润色podcast