preparation可数吗

　　Some forethought and preparation is necessary before you embark on the project.

　　你着手进行这个项目之前必须有所考虑，有所准备。

　　Preparation time ( not including chilling): 5 minutes.

　　准备时间（不包括冷却）:5分钟。

　　You could never eliminate risk, but preparation and training could attenuate it

　　风险不可能完全消除，但可以通过防范和培训来降低。

　　Behind any successful event lay months of preparation.

　　任何成功的活动都需要好几个月的准备。

　　They are collecting information in preparation for the day when the two sides sit down and talk

　　他们正在收集情报，为双方坐下来谈判的那一天做准备。