废弃的汉堡包盒被随意丢在人行道上。
解决现有食材包盒包装食材很不方便，操作复杂，容易对被放置的食材造成卫生污染的问题。
The invention solves the problems of inconvenient food material packaging, complex operation, and easy pollution on the food material in the prior food material packaging boxes.
癌症课题研究组在最新发布的公告榜中指出一包热狗含有的有害物质堪比一盒香烟。
The Cancer Project’s Latest Billboard shows a pack of hot dogs coming out of a pack of cigarettes.
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