subscribe 表示“订阅”时是不及物动词,后接宾语时要接介词to(不可省略):
We subscribe to all the main medical journals. 我们订阅所有主要的医学杂志。
You can subscribe to the magazine for as little as $32 a year. 订阅这本杂志,每年只需 32 美元。
I subscribed to two magazines to improve my mind. 我订了两份杂志以提高智力。