不过该消息人士还表示，辉瑞和艾尔建一直都有一套退出策略。

Pfizer and Allergan have always had an exit strategy in place, the source said.

youdao

不过该消息人士还表示，辉瑞和艾尔建一直都有一套退出策略。

Pfizer and Allergan have always had an exit strategy in place, the source said.

youdao