5.  steer v. 掌握方向
比较记忆
steer: 驾驶水路交通工具，强调掌握方向，导航
drive: 开汽车，火车
pilot: 操纵轮船，飞机
He steers the boat suddenly.
He piloted his plane.
 
6.  temporary adj. 临时的
词组
temporary jobs / house
temporarily adv.
temporariness n.
==transient:短暂的，瞬间的
反义词：permanent: 永久的
contemporary: 当代 的
近义表达：
transient=transitory 短暂的，片刻的
transient success /happiness/pleasure
for the time being/for the present /for now 目前，眼下，暂时
For the time being you will have to share this room with another person.
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