1. When we are tired, tense, depressed, or unwell, we feel pain much more. 当我们疲劳、紧张、沮丧或者身体不适时，就更觉得疼。
2. It would be like asking a marathon runner if they feel pain. 就像你去问一个马拉松运动员他们是否感到疼痛。
3. A three-year-old might need help in understanding that other children feel pain just as he does, and that hitting a playmate over the head with a heavy toy requires an apology. 一个三岁的孩子可能需要他人帮助，才能理解其他孩子也和他一样会感到疼痛，用玩具重重地打了玩伴的头是需要道歉的。
4. Tom groaned louder, and fancied that he began to feel pain in the toe. 汤姆呻吟得更响了，他觉得自己的脚趾头开始疼了。
5. Plants can't run away from danger, so investing energy in a body system which recognizes a threat and can feel pain would be a very poor evolutionary strategy, according to the article. 根据这篇文章的观点，由于植物无法逃离危险，所以将能量投入到能够识别威胁并感知疼痛的身体系统中，是一个非常糟糕的进化策略。
