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Buckeye flowers have different colors, generally yellow, orange and pink. Why do flowers of the same plant have three colors? This is actually the way Buckeye flowers tell bees and bumblebees whether they are popular at this moment. Those flowers with nectar and waiting to be pollinated will appear yellow, which is an irresistible color for insects. When pollination is over, the flowers will slowly turn red, because bees and bumblebees cannot see red, thus the flowers will disappear in their eyes.During the "Double Eleven" period, not only colleges and universities, but also community express delivery was popular. The workload of these couriers is several times that of normal times. According to the forecast of the State Post Office, more than 1.5 billion packages may be generated during the "Double Eleven" this year. It is estimated that the annual express delivery volume will reach 40 billion pieces. If calculated according to the population of 1.3 billion, that is equivalent to an average of more than 30 express deliveries per person. The huge volume of express delivery has also brought about a large consumption of express packaging. In 2015, China's express delivery industry consumed about 9.922 billion packing boxes and 8.268 billion plastic bags. The total length of adhesive tape used was 16.985 billion meters, which could make 425 circles around the equator of the earth. So what will everyone do with these express packages after these express deliveries are delivered? During the interview, some citizens told reporters that "they usually threw it away" and the fillers in the express box were usually thrown away together with the packing box.杜殇以一成不变的声调回答道：是的，据鸿门那边送来的消息，项羽尚未派出信使，刘邦便主动先行一步赶到了。本剧讲述了一所国际学校内音乐社和篮球社之间发生的故事。这一场戏拍好了，中年导演直接让这个青年走人。绑紧了又过意不去，来来回回地折腾。No. 98 Yuvraj Singh