ＳＵＰＰＯＳＥ　ＳＯＭＥＯＮＥ　ＧＡＶＥ　ＹＯＵ　Ａ　ＰＥＮ假如給你一支筆

李　君

Suppose someone gave you a pen—asealed，solid-colored pen.

假如有人送你一支筆，一支不可拆卸的單色鋼筆。