PONS词典中的例句（已经编辑处理）
单语范例（未经PONS编辑处理）
Behavior patterns are generally unwritten and constantly changing.
en.wikipedia.org The penultimate primary stress position ("malumay") is the assumed, default stress type and is therefore left unwritten except in dictionaries.
en.wikipedia.org Although unwritten, the premise involved a young man trying to reconcile with his father.
en.wikipedia.org There are also unwritten local rules of the road, which are generally understood by local drivers.
en.wikipedia.org Some scholars also expressed concern that the reference set a precedent for enforcing unwritten rules.
en.wikipedia.org