经济合作与发展组织(OECD)的数据显示,亚洲拥有最高回收率之一的国家就是日本。然而,他们回收的主要是塑料、纸张和玻璃。
About 650,000 tonnes of small electronics and home appliances are discarded in Japan every year, the Nikkei newspaper said. However, it is estimated that less than 100,000 tonnes is collected for recycling.
日经资讯称每年日本有约65万吨的小型电子设备和家用电器被丢弃。然而,其中回收再利用的预计不到10万吨。
So for the 2020 Games, Japan will probably have to ask individual countries or companies to contribute towards the recycled metal collection effort.
所以为了2020年的奥运会,日本可能需要请求其他国家或公司共同帮助参与回收金属。
How much metal is needed?
需要多少金属?
The amount of metal needed will depend on the size and number of medals, since each year, they seem to get bigger and heavier.
所需的金属数量取决于奖牌的大小和数量。每一年奖牌都在变得越来越大,越来越重。
Five new sports have also been added to the Tokyo 2020 competition, including baseball, karate, skateboarding, sport climbing and surfing.
2020年奥运会新加了五项运动,分别是棒球、空手道、滑板、运动攀岩和冲浪。
The 2016 Rio Olympics had the largest medals of any games, weighing in at 500g each and 1cm thick in the middle.
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