Guide to Paper Currency] The fourth edition of 50 yuan paper currency, as the currency with relatively large face value issued in China's RMB, was a huge sum of money at the bottom of the closet in the 1980s and 1990s, so many old people still have it. Now with the withdrawal of the fourth set of RMB, their collection value has also soared. [Paper Money Introduction] I believe everyone knows this 50 yuan in the picture, yes! This 50 yuan is the 90th edition of 50 yuan. As we all know, of the four editions of 50 yuan banknotes, the 80th edition of 50 yuan is recognized as the fourth edition currency king. Now an ordinary one is worth more than 2,000 yuan. So, what is the value of this 90th edition in the picture?

美国: Rocycle 触觉分拣机器人

“我们启动了慈善‘双百计划’，希望能让更多贫困山区的学校、敬老院能够喝上干净的水，传递社会的正能量。”袁江讲道。

“唐丝”面料大赛决赛评审现场

讨火车小学的案例不是孤本。袁江作为东日环保董事长，带领东日环保积极履行企业公民的社会责任。在追求企业效益的同时，还筹措、实施了慈善“双百计划”。5年内给100所学校、100个养老院捐赠净水设备，解决师生、老人们的饮水安全问题。

　启动慈善“双百计划”

在她的悉心指导下，孩子们学会一步步搭起温室菜棚，一天天记录下小菜苗的成长。

由单个机器人进行分拣操作效率较低，速度较慢，也有很多物品被遗漏了下来。但在实际流水线工作中，多台机器人同时进行工作，遗漏下来的物品就微乎其微了。

根据标普全球 (S&P Global) 旗下独立调研公司Trucost ESG Analysis统计，人造钻石的年平均碳排放量，是天然钻石的3倍之多！而每小时的平均用电量，则高达250千瓦，相当于一个美国家庭，生活8.7天的所需电量！

“争做交通文明小使者”新时代交通安全宣讲

WE ARE MORE FUN THINK

院子里突然响起滴滴的闹钟声，殷大叔按着灶台站了起来，似乎有什么重要的事情。搀扶他的时候，大叔摆摆手，才发现他说话也不是很清楚。难怪一直都是孟大妈讲述自己的家事，殷大叔不说话呢。