smoking前面需要加逗号吗

更新时间2021-05-31 11:00:12

To protect a forest from fire smoking is prohibited. 

你好，答案是“要加”。

To protect a forest from fire 是一个不定式短语，作目的状语，放在句首时要与主句分隔开。 

To protect a forest from fire, smoking is prohibited.

译文：　为了保护森林免遭火灾，禁止吸烟。