欧洲的冬天越来越贵，电价在一次次寒潮中攀上新高。对于储蓄率本就不高的欧洲家庭而言，动辄数千欧元的电费账单，正在挤压用户旅行、餐饮甚至日常开支的空间。长期以来，传统户用储能系统虽能缓解电费压力，却因安装复杂、成本高昂、回本周期长达十余年，始终难以走入普通家庭。
公共卫生事件是东南亚出境游中最隐蔽的风险类型，涵盖食源性中毒、热带传染病、蚊虫叮咬致病、外伤感染及应急医疗不足等问题。
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Moving beyond just black and white towards full-colour variable palettes presents another set of problems. Taking the methods presented above and quantising an image using an arbitrary colour palette reveals that error-diffusion is also better at preserving colour information when compared to ordered dithering.
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