It's an annual back-to-school routine.

这是每年开学的例行公事。

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Establish an after-school routine, such as homework at the same time every day, a time for relaxing with a favorite show or activity, or dinner at a regular daily time.

规定每天放学后的生活，比如，每天在相同时间做家庭作业，一段休息时间看最喜爱的节目或活动，每天有规律的餐饮时间。

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He is quite routine in school.

他在学校很循规蹈矩。

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Although email has gone from after-school treat to a dull routine in the space of 20 years, no one is ready to ring its death knell just yet.

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Henry Chanin, the headmaster of a private school in Nevada, went in for a routine colonoscopy in 2006 and emerged with a dose of Hep C, a usually incurable disease that can progress to cirrhosis, liver cancer and death.

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When I heard the news of what happened in Newtown, I thought of the routine of sending a child off to school.

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