Also for this event there'll be a seating plan, so the guests won't be able to decidefor themselves where to sit—they'll have to sit according to the plan.
此外，这个活动将有一个座位计划，所以客人们不能自己决定坐在哪里——他们必须根据计划坐。
2
She's old enough to decidefor herself.
她已到自己作决定的年龄了。
《牛津词典》
3
He wanted to decidefor himself instead of blindly following his parents' advice.