预备方案

例句：

1. 1. The chef prepared a delicious meal for the guests.
   厨师为客人准备了一顿美味的饭菜。
2. 2. The company has made preparations for its annual conference.
   公司已经为年度会议做好了准备。
3. 3.The new policy requires all employees to undergo preliminary training before starting work.
   新政策要求所有员工在开始工作前接受初步培训。