make a plan; draw up a plan; work out a plan

• 制定计划

make a plan; draw up a plan; work out a plan的用法和样例：

例句

1. They haven't worked out a plan yet.
   他们还没制定计划。
2. The future is too doubtful for us to make plans.
   未来的形势还很不明朗，我们难以制定计划。