究竟哪种餐盒更符合环保的要求？哪种餐具能最终在激烈的竞争中站住脚？
Which is better to meet the environmental requirements, Which of them can get a position during the violent market competition.
类似地，在外卖餐盒和一次性筷子上的收费也给人们上了一堂环保课从而有效地减少了垃圾。
A similar tax on "take out food" containers and chopsticks would teach environmental ethics and reduce rubbish.
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