Good revision should give you confidence, but if you are still worried, it's not harmful to follow some special customs.

好的复习能给你信心，但如果你还担心，不妨遵循一些特定的习俗。

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The Customs office shall let them pass after checking the Certificate of Approval for Special Articles issued by the health and quarantine organ.

海关凭卫生检疫机关签发的特殊物品审批单放行。

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Eg. Some people suggested that we spell out a book about these people and their special customs.

有些人建议我们编写一本书来介绍这些人以及他们的特殊习俗。

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Experience the local customs and culture with a genuine and truly special adventure and have Feynan arrange the aforementioned excursion to visit a local Bedouin family for tea and dinner.

FORBES: Connect

Import quotas have largely been replaced with customs duties, and subsidies, tax breaks and other special favours for farmers scaled back.

ECONOMIST: South African farming

The festival has no parallel in southern Europe, but it's Christmas's non-identical twin: it holds a special place in the national psyche with its own customs, memories and social pressure.

BBC: Here comes the sun in Sweden