他将充当中间人，尽力制订出一个日程表。

He will act as a go-between to try and work out an agenda.

《柯林斯英汉双解大词典》

不过与五年前相比，任务将更加艰巨，这次领导人不是制订目标，而是为实现这些目标商定具体的决策。

Yet the task will be much tougher than five years ago: instead of setting goals, this time leaders must agree on concrete decisions to achieve them.

youdao

但由于木星每天晚上升起的时间不同，这些想象中的外星人，将很难划定时间，或制订日程表。

But because the Saturns would rise at different times every night, the hypothetical alien civilization would have a hard time using its companion planets to tell time or create a calendar.

youdao