a neatly worked-out plot的用法和样例：
- The police worked out a plan to catch the thief.
- The naughty boy played a neat trick.
- The manager had worked out a scheme for not paying the tax.
- The government has worked out a plan of succoring the needy.
- He placed his books in a neat stack.
- Professor Fang worked out a method to destroy bacteria on the seeds.