有位大神是这么写的 1. For safety requirements, manufactures now produce the lighters with safe levers on them. Conclusion: The safety situation will not change. Reasons: 1. Children still can learn how to make the levers out. 2. Because the parents consider it safe, the lighters will be put in the places within the catch of children. 但我个人理解,是措施目的啊, 措施:make all cigarette lighters child-resistant by equipping them with safety levers 目的:result in a significant reduction in the number of fires caused by children 同时A选项我理解如果安装设备后成本上升,大家会倾向于买便宜的,儿童会更容易接触到,为什么A不可以呢? |
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