单语范例（未经PONS编辑处理）
Instead, he proposed that a slip or postage stamp could seal a letter.
en.wikipedia.org The 13th hole is named due to its size, after a postage stamp.
en.wikipedia.org A 1948 postage stamp commemorated their heroism with the words: interfaith in action.
en.wikipedia.org Soon after the introduction of the postage stamp, other subjects and designs began to appear.
en.wikipedia.org The resulting frame-like, rippled edge surrounding the separated stamp defines a characteristic meme for the appearance of a postage stamp.
en.wikipedia.org