a holiday from school

基本解释

Why isn't it a holiday from school?
学校在这一天为什么不放假？
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They can attend the pre-school holiday parties or pick up a sick child from school and still make it back home for a 1PM conference call.
比如，她们可以参加学前节日派对或者去学校接生病的孩子，然后在下午1点准时出席电话会议，还可以在晚上和午睡时间工作，进而节省一笔雇保姆的支出（我现在正在这么做）。
While summer can be challenging due to vacations and the demands of children off from school, the holiday season can be a killer because of the extra load of activities, tasks and calendar overload.
因为假期和孩子们不上学的要求，夏天成为最具挑战的季节，因为额外的活动、任务和日程负担，假期可以说是一个思想集中的杀手。

As a precocious 14-year-old on holiday from school in England, young Leacock filmed the life story of a banana, all the way from dry soil to boxed crate, edited the results Russian-style with astonishing brio and sent them to Robert Flaherty, the leading American documentary maker of the day.
ECONOMIST: Richard Leacock
Many states use the holiday as an opportunity to give parents a break from the sales taxes associated with school supplies, dorm furnishings and clothing.
FORBES: Massachusetts Joins States Offering Sales Tax Holidays