You must provide your own textbooks, pens, pencils and notebooks (unless otherwise advised).

您必须提供自己的课本，钢笔，铅笔和笔记本(除非另有通知)。

youdao

You should not give your baby non-fortified or low-iron formula unless otherwise advised by your baby's doctor.

你不应给宝宝非强化铁或者低铁的配方奶，除非有医生的建议。

youdao

Take approximately 60 mg up to four times a day, unless advised otherwise by a doctor.

每天4次，每次约60毫克，或遵医嘱。

《柯林斯英汉双解大词典》

The RNIB says that children under 16 and adults over 60 should have an annual eye test and the rest of the population should have one every two years unless they have been advised otherwise.

BBC: Photo of an eye examination

The government has advised people to carry on with their normal shopping habits unless told otherwise.

BBC: Farmbox Meats Ltd, of Llandre near Aberystwyth