That issue affected developing countries but not only them; all countries had a role to play to help to establish the conditions that would allow for the implementation of the Millennium Development Goals within the agreed time frame.
荒漠化问题涉及发展中国家，但并非只涉及发展中国家；所有国家都应该发挥作用，帮助创造条件，以便在约定的期限内实现千年发展目标。