prevention可数吗

　　Prevention also plays a central role in traditional medicine.

　　预防在传统医学中也起着主导作用。

　　They put a high premium on prevention and primary care.

　　他们对预防和初级护理极为重视。

　　Stores spend more and more on crime prevention every year.

　　商店每年在防止犯罪方面的花费越来越多。

　　Six suspects are being held under the Prevention of Terrorism Act.

　　根据《防止恐怖法》，六个嫌疑人被拘押。

　　I will discuss the role of diet in cancer prevention in Chapter 7

　　我会在第7章详细论述日常饮食在抗癌中的作用。