他们保持我们的空气清洁，减少噪音污染，改善水质，提供食品和建筑材料。
They keep our air clean, reduce noise pollution, improve water quality and provide food and building materials.
如果我们鼓励我们的年轻人对未来充满信心，并为他们的信念提供确凿的证据，我们就会发现犯罪和贫困都将减少到可控的程度。
If we encourage our young people to believe in the future, and give them solid evidence for believing we'll find both crime and poverty shrinking to manageable proportions.
我们提供定制服务来帮助公司和公共组织减少碳排放。
We offer a bespoke service to help companies and public organisations reduce carbon emissions.
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