Also for this event there'll be a seating plan, so the guests won't be able to decide for 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。

youdao

She's old enough to decide for herself.

她已到自己作决定的年龄了。

《牛津词典》

He wanted to decide for himself instead of blindly following his parents' advice.

他想自己拿主意，而不是盲目听从他父母的意见。

《牛津词典》

Give the money to the people, and let them each decide for themselves, what they want.

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As in the old days, customers will have to decide for themselves what gratuity to leave.

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That way they could decide for themselves what treatments are effective and worth the price.

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