举办这场音乐会将是一个两校之间的联合重大计划。

Putting on the concert will be a joint ___enterprise between the two schools.

她一生中承担的每一个重大计划都成功了。

She succeeded in every ___enterprise she undertook throughout her life.

推出新产品是一个需要仔细规划的冒险重大计划。

Launching the new product is a risky ___enterprise that requires careful planning.