Metronet, one of the two firms charged with upgrading London's rickety old underground network under a multi-billion-pound public-private partnership (PPP) deal, had been in trouble for months.

根据一份几十亿英镑的公私合作协议, 伦敦地下铁经营公司Metronet和另一家公司负责改造伦敦简陋而陈旧的地铁网络，几个月来Metronet一直陷于困境。

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He was giving evidence to the Transport Committee on 9 December 2009 as part of an ongoing inquiry into the role of PPP (public-private partnership) in the maintenance of London Underground.

BBC: Transport Committee

Through an innovative Public-Private Partnership (PPP), it trained over 3, 000 teachers in ICT skills using six e-curricula as tools to enrich the national curriculum.

UNESCO: Education

Luigi Forino stated that the fund which would be operated as private-public partnership (PPP) would be for the funding of infrastructure in the country.

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