1. Instead, to demonstrate the "red effect" I should have used an image of an elderly man solving a system of differential equations using a red pen. 相反，为了证明“红色效应”，我应该使用一张一个老男人用红笔求解微分方程系统的图像。
2. If you are shopping for a man, he may prefer a pocket watch or specialty ink pen imbedded with his birthstone to jewelry. Following, is a list of birthstones. 如果你是为男士准备礼物，他也许更喜欢嵌有诞生石的怀表或钢笔。
3. Along with the sketches came a cartoon self-portrait of a tall, thin, many-armed young man dipping a pen into his skull, which had sprung open like an inkpot. 草图上附送一副卡通自画像——一位身体修长而瘦削的年轻人，手捏钢笔，蘸其头骨，那脑壳早已像一个墨水瓶骤然炸开了。
4. The man said the pen worth 50 pounds, but I could take it by merely 30 pounds. 这人讲这支笔值50英镑，但算我面子大，只需30镑便可拿走。
5. The second man asks for paper and a pen so that he can write a farewell letter to his family. 第二个人请求给他纸和笔，他要给家人写告别信。
