Our waste recycling project involving a lot of investigation and paperwork had been done by the end of last term.
我们的废物回收项目已经在上学期末完成了，其中包含许多调查研究和书面工作。
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Furthermore, this figure does not reflect the fact that large amounts of land, energy, fertilisers and water have also been lost in the production of foodstuffs which simply end up as waste.